(function($){
 
	function selectPrev(target){
		var fwpanel   = $.data(target, 'fwcombox').fwpanel;  
		var panelbody = $('.fwcombox-panel-body',fwpanel);
		var item = fwpanel.find('div.fwcombox-item-selected');
		var opts = $.data(target, 'fwcombox').options;
		if (item.length){
			//找到匹配的项
			var prev = item.prevAll(':visible');
			if (prev.length){
				//如果有上方还有选项
				item = prev.eq(0);
			}else{
				//如果已经是第一项，那么光标定位到最后一项
				item = panelbody.find('div.fwcombox-item:visible:last');
			}
		}
		//没有任何项就直接退出
		if(item.length==0)return;
		if (item.position().top <= 0){
			var h = panelbody.scrollTop() + item.position().top;
			panelbody.scrollTop(h);
		} else if (item.position().top + item.outerHeight() > panelbody.height()){
			var h = panelbody.scrollTop() + item.position().top + item.outerHeight() - panelbody.height();
			panelbody.scrollTop(h);
		}

		var value = item.attr('value');
		if(!opts.multiple){
			setValue(target, value);
		}
	}
	
	/**
	 * select next item
	 */
	function selectNext(target){
		var fwpanel   =  $.data(target, 'fwcombox').fwpanel;  
		var panelbody = $('.fwcombox-panel-body',fwpanel);
		var item = fwpanel.find('div.fwcombox-item-selected');
		var opts = $.data(target, 'fwcombox').options;

		if (item.length){
			//找到匹配的项
			var next = item.nextAll(':visible');
			if (next.length){
				//如果有下方还有选项
				item = next.eq(0);
			}else{
				//如果已经是第一项，那么光标定位到最后一项
				item = panelbody.find('div.fwcombox-item:visible:first');
			}
		}

		//没有任何项就直接退出
		if(item.length==0)return;

		if (item.position().top <= 0){
			var h = fwpanel.scrollTop() + item.position().top;
			panelbody.scrollTop(h);
		} else if (item.position().top + item.outerHeight() > panelbody.height()){
			var h = panelbody.scrollTop() + item.position().top + item.outerHeight() - panelbody.height();
			panelbody.scrollTop(h);
		}
		var value = item.attr('value');
		if(!opts.multiple){
			setValue(target, value);
		}
	}
	
	function selectCurr(target){
		var fwpanel = $.data(target, 'fwcombox').fwpanel; 
		var item = fwpanel.find('div.fwcombox-item-selected');
		var opts = $.data(target, 'fwcombox').options;

		var value = item.attr('value');
		if(!opts.multiple){
			setValue(target, value, true);
			hidePanel(target);
		}
	}
	
	/**
	 * select the specified value
	 */
	function select(target, value){
		var opts = $.data(target, 'fwcombox').options;
		var data = $.data(target, 'fwcombox').data;

		if(opts.multiple){
			if(value==''){
				return;
			}
			var values = getValues(target);
			for(var i=0; i<values.length; i++){
				if (values[i] == value) return;
			}
			values.push(value);
			setValues(target,values,true);
		}else{
			setValue(target, value,true);
			hidePanel(target);
		}
		/*
		var combo = $.data(target, 'fwcombox').fwcombox;
		var input = combo.find('.fwcombox-text');
		for(var i=0; i<data.length; i++){
			if (data[i][opts.valueField] == value){
				//opts.onSelect.call(target, data[i]);
				return;
			}
		}*/
	}
	
	/**
	 * unselect the specified value
	 */
	function unselect(target, value){
		var opts = $.data(target, 'fwcombox').options;
		var data = $.data(target, 'fwcombox').data;
		if(opts.multiple){
			var values =getValues(target);
			for(var i=0; i<values.length; i++){
				if (values[i] == value){
					values.splice(i, 1);
					setValues(target, values,true);
					break;
				}
			}
		}else{
		    setValue(target, '',true); 
		}
		for(var i=0; i<data.length; i++){
			if (data[i][opts.valueField] == value){
				opts.onUnselect.call(target, data[i]);
				return;
			}
		}
	}
	/**
	 * 获取浏览器信息
	 */	
	function getBrowserInfo(){
		 var NV = {};  
		 var UA = navigator.userAgent.toLowerCase();  
		 try  
		 {  
		     NV.name=UA.match(/msie ([\d.]+)/)[1]?'ie':  
		     (UA.indexOf("firefox")>0)?'firefox':  
		     (UA.indexOf("chrome")>0)?'chrome':  
		     window.opera?'opera':  
		     window.openDatabase?'safari':  
		     'unkonw';  
		 }catch(e){};  
		 try  
		 {  
		     NV.version=(NV.name=='ie')?UA.match(/msie ([\d.]+)/)[1]:  
		     (NV.name=='firefox')?UA.match(/firefox\/([\d.]+)/)[1]:  
		     (NV.name=='chrome')?UA.match(/chrome\/([\d.]+)/)[1]:  
		     (NV.name=='opera')?UA.match(/opera.([\d.]+)/)[1]:  
		     (NV.name=='safari')?UA.match(/version\/([\d.]+)/)[1]:  
		     '0';  
		 }catch(e){};
		 return NV;
	}
	
	/**
	 * set values
	 */
	function setValue(target,value,confirm,isInit){
		var opts = $.data(target, 'fwcombox').options;
		var data = $.data(target, 'fwcombox').data;
		var fwpanel = $.data(target, 'fwcombox').fwpanel;
		var panelbody = $('.fwcombox-panel-body',fwpanel);
		var s='';
		var b=false;
		var selectedRecord = {};
		value = value || "";
		if(data!=null){
			for(var j=0; j<data.length; j++){
				if (data[j][opts.valueField] == value){
					s = data[j][opts.textField];
					selectedRecord  = data[j];
					b = true;
					break;
				}
			}
		} else if(!opts.dataLoad && !CFW.oValid.fnIsNull(value)) {
			  loadData(target, transformData(target));	 
			  opts.dataLoad = true;
		}
	
		//若是data 还未初始化则从IE默认的下拉框内取
		if(!b){
			$('>option', target).each(function(){
				var v = $(this).attr('value'); 
				if(v == value){
					s = $(this).text(); 
					selectedRecord[opts.textField] =  s;
					selectedRecord[opts.valueField] =  value;
					return false;
				}
			}); 
		}
		panelbody.find('div.fwcombox-item-selected').removeClass('fwcombox-item-selected');
		panelbody.find('div.fwcombox-item[value="' + value + '"]').addClass('fwcombox-item-selected'); 
		//按displayCol的配置显示具体的值  目前有AAA102(只显示代码），AAA103（只显示中文），BOTH（都显示）三种
		var dictType =$(target).attr('dictType');
		var displayCol =$(target).attr('displayCol');
		if(confirm){
			if(dictType == "default"){
				// displayCol 目前有AAA102(只显示代码），AAA103（只显示中文），BOTH（都显示）三种
					if ('AAA102' == displayCol) {
						setText(target, value);
					} else if ('AAA103' == displayCol) {
						setText(target, s);
					} else {
						var text=s.substr(s.indexOf("-")+1,s.length);
						setText(target, text);
					}
			}else if(dictType == "s"){
					setText(target, s);
			}
			
		    setComValue(target,value,isInit);
		    if(!isInit)
		    opts.onSelect.call(target, selectedRecord);
		} 
	}
	
	/**
	 * set values
	 */
	function setValues(target,values,confirm,isInit){
		var opts = $.data(target, 'fwcombox').options;
		var data = $.data(target, 'fwcombox').data;
		var fwpanel = $.data(target, 'fwcombox').fwpanel;
		var panelbody = $('.fwcombox-panel-body',fwpanel);

		var selectedRecords = [];
		var vv = [], ss = [];

		values = values || [];
		panelbody.find('div.fwcombox-item-selected').removeClass('fwcombox-item-selected');
		for(var i=0; i<values.length; i++){
			var value=values[i];
			var s='';
			var b=false;
			var selectedRecord = {};
			if(data!=null){
				for(var j=0; j<data.length; j++){
					if (data[j][opts.valueField] == value){
						s = data[j][opts.textField];
						selectedRecord  = data[j];
						b = true;
						break;
					}
				}
			} else if(!opts.dataLoad && !CFW.oValid.fnIsNull(value)) {
				  loadData(target, transformData(target),values);	 
				  opts.dataLoad = true;
			}

			//若是data 还未初始化则从IE默认的下拉框内取
			if(!b){
				$('>option', target).each(function(){
					var v = $(this).attr('value'); 
					if(v == value){
						s = $(this).text(); 
						selectedRecord[opts.textField] =  s;
						selectedRecord[opts.valueField] =  value;
						return false;
					}
				}); 
			}
			if(value==''&&values.length>1){
				
			}else{
				vv.push(value);
				ss.push(s);
				selectedRecords.push(selectedRecord);
				panelbody.find('div.fwcombox-item[value="' + value + '"]').addClass('fwcombox-item-selected'); 
			}			
		}

		
		//按displayCol的配置显示具体的值 目前有AAA102(只显示代码），AAA103（只显示中文），BOTH（都显示）三种
		if(confirm){
			if ('AAA102' == opts.displayCol) {
				setText(target, vv.join(opts.separator));
			} else if ('AAA103' == opts.displayCol) {
				setText(target, vv.join(opts.separator));
			} else {
				var textFields=[];
				for(var i=0; i<ss.length; i++){
					var s=ss[i];
					var v=vv[i];
					textFields.push(s.substr(v.length + 1));
				}
				setText(target, textFields.join(opts.separator));
			}
		    setComValues(target,values,isInit);
		    if(!isInit)
		    opts.onSelect.call(target, selectedRecords);
		} 
	}
	
 
  function setComValue(target, value,isInit){
		var opts = $.data(target, 'fwcombox').options;
		var oldValue = getValue(target);
		
		var combo = $.data(target, 'fwcombox').fwcombox;
		    target.value = value+""; 
		    
		 if(!isInit && oldValue!=target.value){
		    $(target).trigger('change');
		 }
		 
	    opts.onChange.call(target, value, oldValue);  
		 

	      
	}
	
  function setComValues(target, values,isInit){
		var opts = $.data(target, 'fwcombox').options;
		var oldValues = getValues(target);
		var combo = $.data(target, 'fwcombox').fwcombox;

		combo.find('input.fwcombo-value').remove();
		//var name = $(target).attr('comboName');
		for(var i=0; i<values.length; i++){
			if(values[i]==''&&values.length>1){
				
			}else{
				var input = $('<input type="hidden" class="fwcombo-value">').appendTo(combo);
				//if (name) input.attr('name', name);
				input.val(values[i]);
			}
		}
		
		var tmp = [];
		for(var i=0; i<oldValues.length; i++){
			tmp[i] = oldValues[i];
		}
		var aa = [];
		for(var i=0; i<values.length; i++){
			for(var j=0; j<tmp.length; j++){
				if (values[i] == tmp[j]){
					aa.push(values[i]);
					tmp.splice(j, 1);
					break;
				}
			}
		}
		
		if (!isInit &&(aa.length != values.length || values.length != oldValues.length)){
			if (opts.multiple){
			    $(target).trigger('change');
				opts.onChange.call(target, values, oldValues);
			} else {
				opts.onChange.call(target, values[0], oldValues[0]);
			}
		}  
	    
	      
	}
	function getValues(target){
		var values = [];
		var combo = $.data(target, 'fwcombox').fwcombox;
		combo.find('input.fwcombo-value').each(function(){
			values.push($(this).val());
		});
		return values;
	}
  
	
	function transformData(target){
		var opts = $.data(target, 'fwcombox').options;
		var data = []; 
		var dname = $(target).attr('dname');
		var whereCls = $(target).attr('whereCls');
		var dictType =$(target).attr('dictType');
		var displayCol =$(target).attr('displayCol');
		
		var dictArray = null;
		if (!CFW.oValid.fnIsNull(dname) && (dictType == "default" || dictType == "s")){
			try {
				if (FW.getDictMode() == FW.DICTMODES.LOCAL ) {
					var localDictObj = FWGetDictApplet();
					if(_ENCRYPT_WHERE){
					    if(whereCls!=null&&whereCls!='null'&&whereCls!=''&&whereCls!='undefined'){
						    whereCls=stringToHex(encrypt(WHEREKEY,whereCls));
					    }
                    }
					var dictStr = localDictObj.getDict(dname,whereCls,opts.dsId);
					dictArray = JSON.parse(dictStr);
				}else if(FW.getDictMode() == FW.DICTMODES.LOCALSTORAGE ){
					dictArray = FW.getDictByLocalStorage(dname,whereCls);
				}else{
					dictArray = FW.getDict(dname,whereCls);
				}
			} catch(e) {
				
			}
			if (!CFW.oValid.fnIsNull(dictArray)) {
				for(var i=0;i<dictArray.length;i++) {
					var item = {}; 
					item[opts.valueField] = dictArray[i][0];
					if(dictType == "default"){
					// displayCol 目前有AAA102(只显示代码），AAA103（只显示中文），BOTH（都显示）三种
						if ('AAA102' == displayCol) {
							item[opts.textField] = dictArray[i][0];
						} else if ('AAA103' == displayCol) {
							item[opts.textField] = dictArray[i][2];
						} else {
							item[opts.textField] = dictArray[i][0]+"-"+dictArray[i][2];
						}
					}else if(dictType == "s"){
						item[opts.textField] = dictArray[i][2];
					}
					data.push(item);
				} 
			    var item = {};
				item[opts.valueField] = '';
				item[opts.textField]= "";
				item['selected'] = 'selected';
				data.push(item); 
			}
		} else {
			$('>option', target).each(function(){
				var item = {}; 
				item[opts.valueField] = $(this).attr('value');
				//为联动下拉框
				//生成下拉框是现实的文本格式为 荔湾区|401 401表示父的值
				if(opts.ldcombox&&comtype=="child"){
					comtext = $(this).html();
					var sp = comtext.split('|');
					item[opts.textField] = sp[0];
					item['parentvalue']  = sp[1];
				}else{
				  item[opts.textField] = $(this).text();
				}
				item['selected'] = $(this).attr('selected');
				item['disabled'] = this.disabled;/*标志是否被过滤的对象*/
				data.push(item); 
			});
		}

		 
		return data;
	}
	
	/**
	 * load data, the old list items will be removed.
	 */
	function removeItem(target,value){ 
	 var opts = $.data(target, 'fwcombox').options;
	 var fwpanel = $.data(target, 'fwcombox').fwpanel;
	 var panelbody = $('.fwcombox-panel-body',fwpanel);
	 
	    //若还没有初始化列表，先初始化
	    if(!opts.dataLoad){
	    	  if(!opts.remotedb){ 
	    	      loadData(target, transformData(target));
	    	   }

	    	  if (opts.data){
	    	     loadData(target, opts.data);
	    	  }
	    	opts.dataLoad = true;
	    }
	    var data = $.data(target, 'fwcombox').data;
    	 
		for(var i=0; i<data.length; i++){ 
			if(data[i][opts.valueField] == value){
				data.splice(i,1);
				var item = panelbody.find('div.fwcombox-item[value="' + value + '"]');
				  item.remove();
				break;
			}
		}
	  
		$.data(target, 'fwcombox').data = data;
		
	}
	
	function initOptions(target,data) {
		//target.options.length=0;
		for(var i=0; i<data.length; i++){ 
			  no = new Option();
			  no.value = data[i][opts.valueField];
			  no.text  = data[i][opts.textField];
			  target.options[i] = no;
			  //target.options[target.options.length] = no;
		}
	}
	
	/**
	 * load data, the old list items will be removed.
	 */
	function loadData(target, data,values){
		var opts = $.data(target, 'fwcombox').options;
		var fwpanel = $.data(target, 'fwcombox').fwpanel;
		var panelbody = $('.fwcombox-panel-body',fwpanel);
		var selected = [];

		$.data(target, 'fwcombox').data = data;
		panelbody.empty();	// clear old data
		var isRefresh = opts.remotedb || FW.getDictMode() == FW.DICTMODES.LOCAL;
		//实现远程数据库的录入查询
		//清空原来的值
		if(isRefresh){target.options.length=0;}
		var cnt=target.options.length;
		var itemHtml='';

		for(var i=0; i<data.length; i++){ 
			//var item = $('<div class="fwcombox-item"></div>').appendTo(panelbody);
			//item.attr({'value': data[i][opts.valueField],'disabled':data[i].disabled});
			//if(data[i].disabled){
				//item.hide();
			//}
			//item.html(data[i][opts.textField]);
			if(data[i][opts.valueField]==''){
				itemHtml+='<div class="fwcombox-item" value="'+data[i][opts.valueField]+'" >'+'&nbsp'+'</div>';
			}else{
				itemHtml+='<div class="fwcombox-item" value="'+data[i][opts.valueField]+'" >'+data[i][opts.textField]+'</div>';
			}
			if (data[i]['selected']){
				if(values==null){//初始化如果有选中值
					selected.push(data[i][opts.valueField]);
				}
			}
			//需要将查询到的值初始化给原先的下拉框
			//if(isRefresh){
				  no = new Option();
				  no.value = data[i][opts.valueField];
				  no.text  = data[i][opts.textField];
				  //不要用target.options.length当作变量，重复遍历影响性能
				  //target.options[target.options.length] = no;
				  target.options[cnt] = no;
				  cnt++;
			//}
				  isRefresh=true;
		}
		panelbody.html(itemHtml);
		if(isRefresh){
			target.value='';
		}

		if(!opts.remotedb){
			if (opts.multiple){
				if(values!=null){//初始化如果有值

				}else{
					setValues(target, selected,false,true);
				}
			} else {
				if (selected.length){
					setValue(target,selected[0],false,true);
				} else {
					setValue(target,'',false,true);
				}
			}
		}
 
		opts.onLoadSuccess.call(target, data);
		
		$('.fwcombox-item', fwpanel).hover(
			function(){$(this).addClass('fwcombox-item-hover');},
			function(){$(this).removeClass('fwcombox-item-hover');}
		).click(function(){
			var item = $(this);
			if (opts.multiple){
				if (item.hasClass('fwcombox-item-selected')){
					unselect(target, item.attr('value'));
				} else {
					select(target, item.attr('value'));
				}
			} else {
				select(target, item.attr('value'));
			}
			
		});
	}
	
	/**
	 * request remote data if the url property is setted.
	 */
	function request(target, query){
		var opts = $.data(target, 'fwcombox').options;
	 
		if (!opts.url) return;
		 
		var param = $.extend({}, {"configid":opts.dname,"query":query});
		 
		$.ajax({
			url:opts.url,
			data: param,
			dataType:'json',
			cache:false,
			success:function(data){
				if(data!=null && data[headtoken]!=null){
					token=data[headtoken];//更新全局变量token标志
				}
				if("1"!=data.FHZ){//出错了，弹出错误提醒
					if("CSRF" == data.FHZ){
						showMsg(data.MSG||'',3);
						return;
					}
       			}
				
				var da=getData(target,data);
				loadData(target, da);
			},
			error:function(){ 
				opts.onLoadError.apply(this, arguments);
			},
			beforeSend:function(XMLHttpRequest ){
				var cToken = $.cookie(headtoken) || token;XMLHttpRequest.setRequestHeader(headtoken,cToken); 

			}
		});
	}
	

    function getData(target,data){
    	var opts = $.data(target, 'fwcombox').options;
    	var rows = data.rows;
	    var total = data.total;
        var iC=0;
        var data = [];
        
        if(rows&&rows.length>0){
          iC =  total - rows.length;
        }else{
        return data;
        } 
        
       for(var i=0; i<rows.length; i++) { 
    	   var item = {};  
			   item[opts.valueField] = rows[i][0]; 
			   item[opts.textField]  = rows[i][1]; 
               data.push(item);
        } 
         
       if(iC>0){
	       var item = {};
	           item[opts.valueField] = " "; 
			   item[opts.textField]  = "剩余 "+iC+" 记录未显示"; 
	           data.push(item);
        }
       
      return data;
      
    };
	
    
	function filter(target, query){ 
		var data = $.data(target, 'fwcombox').data;
		var fwpanel = $.data(target, 'fwcombox').fwpanel;
		var panelbody = $('.fwcombox-panel-body',fwpanel);
		var opts = $.data(target, 'fwcombox').options;
		var bEnter = false;
		opts.search = false;
		//去掉之前的选中状态
		panelbody.find('div.fwcombox-item-selected').removeClass('fwcombox-item-selected');
		showPanel(target);  
		if(!opts.remotedb){
			if(opts.multiple){
				var qq = opts.multiple ? query.split(opts.separator) : [query];
				var vv = [];
				var hasSelect = false;//集合中是否有符合要求的记录
	    		panelbody.find('div.fwcombox-item').each(function(){
	    			var item = $(this);
	    			var itemText = item.text(); 
	    			var v=item.attr('value')+'';
	    			for(var i=0;i<qq.length;i++){
	    				var q=qq[i];

                        if(q==''){
                        	continue;
                        }
	    				if ((!this.disabled)&&itemText.indexOf(q) != -1){
		    				item.show();
		    				var itemText1=itemText.substr(v.length + 1);

		    				if (itemText1 == q){
		    					vv.push(v);
		    					hasSelect = true;
		    				}
		    				bEnter =true;
		    			}else {
		    				item.show();
		    				bEnter =true;
		    			}
	    			}	    			
	    		}).filter(':visible');
    			setValues(target,vv,true);

			}else{
				target.value='';
				var hasSelect = false;//集合中是否有符合要求的记录
	    		var showItems = panelbody.find('div.fwcombox-item').each(function(){
	    			var item = $(this);
	    			var itemText = item.text(); 
	    			if ((!this.disabled)&&itemText.indexOf(query) != -1){
	    				item.show();
	    				if (itemText == query){
	    					setValue(target, item.attr('value'));
	    					hasSelect = true;
	    				}
	    				bEnter =true;
	    			}else if((!this.disabled)&&CFW.oValid._fnIsPinyinMatch(itemText,query)){
	    				item.show();
	    				bEnter =true;
	    			} else {
	    				item.hide();
	    			}
	    		}).filter(':visible');
	    		//如果没有完全匹配的，那么默认选中第一个
	    		if(showItems.length > 0 && !hasSelect){
	    			if(query!=''){//无任何输入选中空值
	    				//showItems.first().addClass('fwcombox-item-selected');
		    			setValue(target, showItems.first().attr('value'));
		    		}else{
		    			setValue(target, '');
		    		}
	    			
	    		}else if (showItems.length==0){
	    			setValue(target, '');
	    		}
			}
			
		}
		if(opts.remotedb){
		    request(target,query);	
		}
	}
	 
   //设置不可编辑属性
	function setDisabled(target, disabled){
		var opts = $.data(target, 'fwcombox').options;
		var combo = $.data(target, 'fwcombox').fwcombox;
		
		if (disabled){
			opts.disabled = true;
			//$(target).attr('disabled', true); 
			$(target).removeAttr('disabled'); 
			var input = combo.find('.fwcombox-text');
			if(input.length>0){
				CFW.oGt._disablePrimitiveInput(input[0]);
			}
		} else {
			opts.disabled = false;
			$(target).removeAttr('disabled'); 
			combo.find('.fwcombox-text').removeAttr('disabled')
			.click(function(){
				this.select();
			});
		}
	}
	
	
	
	function setSize(target,targetWidth){
		var opts = $.data(target, 'fwcombox').options;
		var combo = $.data(target, 'fwcombox').fwcombox;
		var panel = $.data(target, 'fwcombox').fwpanel; 
 
		//combo.width(opts.width);
		var objWidth;
		if(targetWidth==null){
            if($.browser.msie){
            	if(document.documentMode==null||document.documentMode=='5'){
                	objWidth=$(target).outerWidth();
            	}else{
                	objWidth=$(target).parent().width()-2;
            	}
            }else{
            	objWidth=$(target).parent().width()-2;
            }
		}else{
			objWidth=targetWidth;
		}
		
		var arrowWidth = 18;
		var textwidth = objWidth - arrowWidth-2;
		if($.browser.msie && opts.width=='auto'){
            if(document.documentMode!=null && (document.documentMode=='7'||document.documentMode=='8'||document.documentMode=='9')){
            	combo.css({width:'100%',margin:'1px'});
            	objWidth=combo.width();
            	textwidth = objWidth - arrowWidth-2;
            	combo.find('input.fwcombox-text').css({width:(textwidth/objWidth)*100+'%'});
            }else{
            	combo.width(objWidth);
            	combo.find('input.fwcombox-text').width(textwidth);
            }
		}else{
			combo.width(objWidth);
			combo.find('input.fwcombox-text').width(textwidth);
		}
		//var arrowWidth = combo.find('.fwcombox-arrow').outerWidth();
		
		
		//如果手动设置了宽度，那么用手动设置的
		panel.css({
			width:opts.fwpanelWidth=='auto'?objWidth:opts.fwpanelWidth
		}).find('.fwcombox-panel-body').css({
			height:opts.fwpanelHeight=='auto'?'200': opts.fwpanelHeight
		});
	}
	
	/**
	 * hide the drop down panel.
	 */
	function hidePanel(target){
		var fwpanel = $.data(target, 'fwcombox').fwpanel; 
		    fwpanel.hide();
	}
	/**
	 * show the drop down panel.
	 */
	function showPanel(target){
		var combo = $.data(target, 'fwcombox').fwcombox;
		var panel = $.data(target, 'fwcombox').fwpanel; 
		var opts  = $.data(target, 'fwcombox').options; 
		 var items = panel.find('div');
		/* for(var i=1, len=items.length;i<len;i++){
			 if(!items[i].disabled){
				 items[i].style.display="block";
			 } 
		 }
		 */
		
		//第一次显示时创建下拉列表的数据
		//这样处理的目的是加快控制第一次初始化时的速度
	    if(!opts.dataLoad){
	    	  if(!opts.remotedb){ 
	    	      loadData(target, transformData(target));
	    	  } else { 
	    		   if (opts.data){
	  	    	     loadData(target, opts.data);
	  	    	  }
	    	   }
	    	opts.dataLoad = true;
	    }
	    //重新计算panel的zindex
		var zindex = 0;
		$(combo).parents().each(function(){
			//判断是否为数字 不为数字跨浏览器会报错
			if(!isNaN($(this).css('z-index'))){
				zindex+=parseInt($(this).css('z-index'));
			}
			//alert($(this).css('z-index'));
			
		});
		$.data(target, 'fwcombox').fwpanel.css('z-index',zindex+1001);
		//每次调整只计算一次，免得重复计算
		panel.removeAttr('hasResize');
		
		panel.show();

		if (panel.is(':visible')){
			//下拉框放到DIV内并且初始化时DIV是不可见的，设置DIV可见时
			//下拉列表无法显示，需要修改宽度和高度
	        if(panel.width()<5){
	        	  setSize(target);        	  
	        }
			var top = combo.offset().top + combo.outerHeight();
			if (top + panel.outerHeight() > $(window).height() + $(document).scrollTop()){
				top = combo.offset().top - panel.outerHeight();
			}
			if (top < $(document).scrollTop()){
				top = combo.offset().top + combo.outerHeight();
			}
			panel.css({
				left:combo.offset().left,
				top:top
			});

			//设置左上角位置（考虑屏幕边界截屏的问题）
			if(combo.offset().left+panel.width()>$(window).width()){
				panel.css({
				    left:$(window).width()-panel.width()-3,/*加3预防window出现水平滚动栏*/
					top:top
				  });
			}else{
				panel.css({
				    left:combo.offset().left,
					top:top
				  });
			}
			//setTimeout(arguments.callee, 200);
		}
	}
	 
	function setText(target, text){
		var combo = $.data(target, 'fwcombox').fwcombox;
		combo.find('input.fwcombox-text').val(text);
	}
	

	function getValue(target){ 
		var combo = $.data(target, 'fwcombox').fwcombox;
		return target.value;
	}
	 
	 
	function destroy(target){
		$.data(target, 'fwcombox').fwpanel.remove();
		$.data(target, 'fwcombox').fwcombox.remove();
		$(target).remove();
	}
	
	function bindEvents(target){
		var opts = $.data(target, 'fwcombox').options;
		var combo = $.data(target, 'fwcombox').fwcombox;
		var panel = $.data(target, 'fwcombox').fwpanel;
		var input = combo.find('.fwcombox-text');
		var arrow = combo.find('.fwcombox-arrow');
		
		//$(document).unbind('.fwcombox');
		combo.unbind('.fwcombox');
		panel.unbind('.fwcombox');
		input.unbind('.fwcombox');
		arrow.unbind('.fwcombox');
		
		$(target).addClass('fwresize').bind('fwresize',function(){
			var comopts = $.data(this, 'fwcombox').options;
			comopts.setSize(target);
		});
		
		if (!opts.disabled){
			/*
			$(document).bind('mousedown.fwcombox', function(e){
				hidePanel(target);
			});
			panel.bind('mousedown.fwcombox', function(e){
				return false;
			});
			*/
			//zzy add 2010-10-08 begin 失去焦点时关闭下拉项
			input.bind('keydown',function(e){
				if(e.keyCode==13 ||e.keyCode==9){
				//hidePanel(target);
					if(opts.multiple){
						hidePanel(target);
					}else{
						opts.selectCurr.call(target); 
					}
				}
			});
			 //end
	
			//鼠标点击其他地方就隐藏列表
			$(document).bind({
				'mousedown':function(e){
					if(e.target != input[0] &&e.target != arrow[0]
							&&e.target != panel[0] && panel.is(':visible')){
						if(opts.multiple){
        					hidePanel(target);

						}else{
							opts.selectCurr.call(target);
						}
					}
				},
				'focus':function(e){
					if(e.target != input[0] &&e.target != arrow[0]
							&&e.target != panel[0]&& panel.is(':visible')&&e.target!=target){
                        if(opts.multiple){
        					hidePanel(target);

						}else{
							opts.selectCurr.call(target);
						}
					}
				}
			});
			
			//鼠标移动到上面屏蔽掉
			panel.bind('mousedown', function(e){
				var element = e.target || e.srcElement;
		 
				//存在滚动条的情况下单击滚动条有效
				 if(e.offsetX>130){
				 	 return false;
				 }
				 
				var iLen = 0;
			    try{
			        iLen = target.options.length;
				  }catch(e){}
				  //有可能存在滚动条
				 if(iLen>8){
				   return false;
				 } 
							 
				if(-1 != (element.className).indexOf("fwcombox-item")){
					return false;//线程堵塞等待ONCLICK执行
				}
				
				return true;//直接返回 
				
			});
			panel.bind('mouseenter', function(e){
				var ee = this;
				var e2 = e;
				if (this == e.currentTarget) {
					jQuery(target).data('_hide',true);
					//showErrMsg(jQuery(target).data('_hide'),2);
				}
			});
			panel.bind('mouseout', function(e){
				if (this != e.currentTarget) {
					jQuery(target).data('_hide',false);
					//showErrMsg(jQuery(target).data('_hide'),2);
				}
			});
			jQuery(target).bind('mousedown', function(e){
				return false;
			});
	
			//将hidden控件的onfocus事件专递到外部可见的input来
			$(target).focus(function(){
						input[0].select();
					});
			//回传外部的blur事件
			input.blur(function(e){
				$(target).blur();
				if(!jQuery(target).data('_hide')){
					hidePanel(target);
				}
			});
			
			input.unbind('focus.fwcombox').bind('focus.fwcombox', function(event){
				input[0].select();
				$.data(target, 'fwcombox').fwpanel.hide();
				showPanel(target);
				//如果参数输入值为空
				var queryText = $(this).val();
				if (opts.editable){
					if(!opts.remotedb&&queryText==''){
						  opts.filter.call(target, queryText);
					}
				}
				
			})/*.bind('mousedown.fwcombox', function(e){
				e.stopPropagation();
			})*/.bind('keyup.fwcombox', function(e){
				switch(e.keyCode){
					case 37:	// left
					case 38:	// up
						opts.selectPrev.call(target);
						jQuery(target).data('_hide',false);
						//showErrMsg(jQuery(target).data('_hide'),2);
						break;
					case 39:	// right
					case 40:	// down
						opts.selectNext.call(target);
						jQuery(target).data('_hide',false);
						//showErrMsg(jQuery(target).data('_hide'),2);
						break;
					case 16:	//shift
						break;
					case 9:		//tab
						break;
					case 13:	// enter zzy 2010-10-08 注销防止按回车键代替TAB进入时，下拉框消失
						//opts.selectCurr.call(target);  
						break;
					case 27:	// esc
						hidePanel(target);
						break;
					case 46://delete
						clearInput(target);
						break;
					default:
						if (opts.editable){
							var queryText = $(this).val();
							if(!opts.remotedb){
							  opts.filter.call(target, queryText);
							}else{
								
							 var input = $(this);

							  if(!opts.search){ //为了避免频繁的查询过滤 
									opts.search = true;
									setTimeout(function(){  
									 filter(target,queryText); 
									},1000*0.3); //延迟两秒处理
								 }
							 
							  
							}
							
						}
				}
				return false;
			});
			
			arrow.bind('click.fwcombox', function(){
				input[0].select();  //hr 20111010
				$.data(target, 'fwcombox').fwpanel.hide();
				//alert("click.fwcombox");
				showPanel(target);
				var queryText = $(this).val();
				if (opts.editable&&!opts.multiple){
					if(!opts.remotedb&&queryText==''){
						  opts.filter.call(target, queryText);
					}
				}
			}).bind('mouseenter.fwcombox', function(){
				$(this).addClass('fwcombox-arrow-hover');
			}).bind('mouseleave.fwcombox', function(){
				$(this).removeClass('fwcombox-arrow-hover');
			});
		}
		//如果target声明了onselect函数，那么绑定它
		if(target.onselect && window[target.onselect]){
			opts.onSelect = window[target.onselect];
		}
 
	} 
	//单击delete键去掉选中
	function clearInput(target){ 
		 var combo = $.data(target, 'fwcombox').fwcombox; 
		 var input = combo.find('.fwcombox-text');
		 var fwpanel = $.data(target, 'fwcombox').fwpanel;
		 var panelbody = $('.fwcombox-panel-body',fwpanel);
		 var opts = $.data(target, 'fwcombox').options;
		 if(opts.multiple){
			setValues(target, [],true);
		 }else{
			input.val('');
			target.value='';
		 }

		
		 panelbody.find('div.fwcombox-item-selected').removeClass('fwcombox-item-selected');
		 panelbody.find('div.fwcombox-item[value=""]').addClass('fwcombox-item-selected');  
		 input.focus(); 
	}
	//创建下拉框
	function create(target,objWidth){
		init(target,objWidth);
		
		var opts = $.data(target, 'fwcombox').options;
		var fwcombox = $.data(target, 'fwcombox').fwcombox;
	 
		opts.disabled =  $(target).attr('disabled'); 
		$(target).removeAttr('disabled'); 
		$('input.fwcombox-text', fwcombox).attr('readonly', !opts.editable); 
		setDisabled(target, opts.disabled);
		setSize(target,objWidth);
		bindEvents(target);
	
	}
	
	/**
	 * 创建下拉框的输入框已经下拉DIV
	 */
	function init(target,objWidth){ 
	    var obj=$(target);
		var iWidth;
		if(objWidth==null){
            if($.browser.msie){
            	if(document.documentMode==null||document.documentMode=='5'){
            		iWidth=obj.outerWidth();
            	}else{
            		iWidth=obj.parent().width()-2;
            	}
            }else{
            	iWidth=obj.parent().width()-2;
            }
		}else{
			iWidth=objWidth;
		}
		//var iHeight = obj.outerHeight();
		var iHeight = 20;
		var iTop    = obj.offset().top + iHeight;
		var iLeft   = obj.offset().left;
		//$(target).hide();
		var opts = $.data(target, 'fwcombox').options; 
		var vldStr = $(target).attr('vldStr'); 
		
		//取原来下拉框的长度，因为IE自带的下拉框所获取的自动宽度比较正确
		//if(opts.width=='auto'){
          // opts.width=  iWidth;//iWidth;
		//}
 
		/*var span = $('<span class="fwcombox"></span>').insertAfter(target);
		var input = $('<input type="text" class="fwcombox-text">').appendTo(span);
		$('<span class="fwcombox-arrow"></span>').appendTo(span);*/
		
		var span = $(target).next(".fwcombox");
		var fwpanel = $('<div class="fwcombox-panel"></div>').appendTo('body');
		//if(vldStr){
		//	 span.find('input.fwcombox-text').attr('vldStr', vldStr);  
		// }

		fwpanel.css({
			'top':iTop,
			'left':iLeft,
			'width':iWidth,
			'display':'none'
		});
		
		var panelbody = $('<div class="fwcombox-panel-body"></div>').appendTo(fwpanel);
		
	/*	panelbody.css({
			'width':iWidth+10,
			'height':'200px' 
		});*/

		//input.attr('autocomplete', 'off'); 
		$.data(target, 'fwcombox').fwcombox = span;
		$.data(target, 'fwcombox').fwpanel = fwpanel; 
	}
	
	
	var methods = {
		/**设置或者获取控件是否只读。
		 * 参数flag可不传，不传表示获取控件的只读属性。
		 * @param flag 只读标志，true为设置只读，false为取消只读。
		 * @return 获取只读属性时为true和false，true表示控件只读，false表示控件；
		 * 	设置控件只读属性时返回jquery，当前jquery集合。
		 */
		disabled : function(flag){
			if(arguments.length==0){
				//如果没有入参，那么属于要返回当前是否只读的状态
				if(this.length==0){return null;}
				var opts = $.data(this[0],  'fwcombox').options;
				return opts.disabled;
			}else{
				//有入参处理设置是否只读的情况
				return this.each(function(){
					if(flag){
						//设置为只读
		 				var opts = $.data(this,  'fwcombox').options;
		 				var combo = $.data(this, 'fwcombox').fwcombox;
		 				var arrow = combo.find('.fwcombox-arrow');
		 				var input = combo.find('.fwcombox-text');
		 				arrow.unbind('.fwcombox');
		 				input.unbind('.fwcombox');
		 				
		 				opts.disabled = true;
		 				$(this).removeAttr('disabled'); 
		 				CFW.oGt._disablePrimitiveInput(input[0]);
		 			}else{
		 				//设置为非只读
		 				var opts = $.data(this, 'fwcombox').options;
						if(opts.disabled){
						    var span  = jQuery.data(this, 'fwcombox').fwcombox;
							var input = jQuery('.fwcombox-text',span);
							CFW.oGt._enablePrimitiveInput(input[0]);
							opts.disabled = false;
							opts.bindEvents(this);
						}
		 			}
 			});
			}
		},
		/**
		 * 返回控件是否可见。
		 * 返回值：true表示可见，false表示不可见。
		 */
		visible : function(){
			if(this.length==0){return null;}
			var span = $.data(this[0],'fwcombox').fwcombox;
			return span.is(":visible");
		},
		/**
		 * 获取静态字典的中文名称
		 */
		getValues :function(target){
			return getValues(target);
		},
		clearInputValue :function(target){
			return clearInput(target);
		},
		/**
		 * 获取静态字典的中文名称
		 */
		text :function(){
			return this.map(function(){
				return $.trim($.data(this, 'fwcombox').fwcombox.find('input.fwcombox-text').val());
			}).get(0);
		},
		/**
		 * 持久过滤控件中的字典项。
		 * @param values 要过滤的值，可以是数组。可空，空表示取消过滤
		 * @param revert 反向过滤，boolean类型，为true时保留values指定的值，过滤没指定的值。可空
		 * @return jQuery jquery原集合
		 */
		filter:function(values,revert){
			var vals = [].concat(values);
			return this.each(function(){
				var opts = $.data(this, 'fwcombox').options;
				if(!opts.dataLoad){
					 loadData(this, transformData(this));	 
					 opts.dataLoad = true;
				}
				if(opts.dataLoad){
					//先处理模型
					var tvalsDiv = [].concat(vals);
					var data = $.data(this, 'fwcombox').data;
					for(var i=0; i<data.length; i++){
						var pos = $.inArray(data[i][opts.valueField],vals);
						//根据是否在过滤选项中设置过滤标志
						data[i].disabled = (pos != -1);
						if(revert){data[i].disabled=!data[i].disabled;}
						//删除当前值
						if(pos!=-1){
							vals.splice(pos,1);
						}
					}
					//后处理UI，如果UI还没初始化，正好略过
					var fwpanel = $.data(this, 'fwcombox').fwpanel;
					var panelbody = $('div.fwcombox-panel-body',fwpanel);
					panelbody.children().each(function(){
						var value=$(this).attr("value");
						var pos = $.inArray(value,tvalsDiv);
						//根据是否在过滤选项中设置过滤标志
						this.disabled = (pos != -1);
						if(revert){this.disabled=!this.disabled;}
						//删除当前值
						if(pos!=-1){
							tvalsDiv.splice(pos,1);
						}
						if(this.disabled){
							$(this).hide();
						}else{
							$(this).show();
						}
					});
				}else{
					//还没初始化就直接处理select
					for(var index=0;index<this.length;index++){
						var pos = $.inArray(this.options[index].value,vals);
						//根据是否在过滤选项中设置过滤标志
						this.options[index].disabled = (pos != -1);
						if(revert){this.options[index].disabled=!this.options[index].disabled;}
						//删除当前值
						if(pos!=-1){
							vals.splice(pos,1);
						}
					}
				}
			});
		},
		/**
		 * 静态字典的构造函数
		 */
		init :function(options){
			return this.each(function(){
				options = options || {};
				var state = $.data(this, 'fwcombox');
				if (state){
					 $.extend(state.options, options, {
						'displayCol' : $(this).attr('displayCol'),
						'fwpanelWidth' : $(this).attr('fwpanelWidth'),
						'fwpanelHeight' : $(this).attr('fwpanelHeight'),
						'dsId' : $(this).attr('dsId')
					});  
				} else {
					state = $.data(this, 'fwcombox', {
						options : $.extend({
						}, $.fn.fwcombox.defaults, options,{
							'displayCol' : $(this).attr('displayCol'),
							'fwpanelWidth' : $(this).attr('fwpanelWidth'),
							'fwpanelHeight' : $(this).attr('fwpanelHeight'),
							'dsId' : $(this).attr('dsId')
						}),
						fwcombox:null,
						fwpanel:null
					});
                  
					var objWidth;
                    if($.browser.msie){
                    	if(document.documentMode==null||document.documentMode=='5'){
                    		objWidth=$(this).outerWidth();
                    	}else{
                    		objWidth=$(this).parent().width()-2;
                    	}
                    }else{
                    	objWidth=$(this).parent().width();
                    }
					create(this,objWidth);
					if(this.className=='dbcombox'){
						state.options.remotedb = true;
						state.options.url      = this.url;
						state.options.dname    = this.dname;
					}
					//不能一开始就初始化，影响性能
					//if(!state.options.remotedb){ 
					//	loadData(this, transformData(this));
					//}
				}
				//不能一开始就初始化，影响性能
				//if (state.options.data){
				//	loadData(this, state.options.data);
				//}
			    if(options.multiple){
			    	var values= $(this).val();
					setValues(this, values,true,true);
			    }else{
					setValue(this, this.value,true,true);
			    }
			});
		}	
	};
$.fn.fwcombox = function(options){ 

	if (methods[options]) {
		return methods[options].apply(this, Array.prototype.slice.call(
				arguments, 1));
	} else if (typeof options === 'object' || !options) {
		return methods.init.apply(this, arguments);
	} else {
		$.error('Method ' + options + ' does not exist on fwcombox');
	}
};
	 
	$.fn.fwcombox.defaults = {
		valueField: 'value',
		textField: 'text',
		dataLoad:false,
		multiple:false,
		url: null,
		dname:null,
		data: null, 
		total:null,
		width: 'auto',
		fwpanelWidth: null,
		fwpanelHeight: 200,
		separator: ',',
		editable: true,
		disabled: false, 
		ldcombox:false,//是否属于联动下拉框
		ldparent:null, //联动下拉框父的名字
		ldchild:null,//联动下拉框子的名字
		sqlid:null,//数据库查询对应的配置ID
		param:null,
		search:false,
		remotedb:false,//远程查询时为true
		dsId:null,
		
		selectPrev: function(){selectPrev(this);},
		selectNext: function(){selectNext(this);},
		selectCurr: function(){selectCurr(this);},
		filter: function(query){
			filter(this, query);
		},
		setSize:function(target){
		 	setSize(target);
		},
		setValue:function(target,val){
		    var opts = $.data(target, 'fwcombox').options; 
		    if(opts.multiple){
		    	if(val==[]&&!opts.dataLoad){
					loadData(target, transformData(target)); 
				}else{
			        setValues(target,val,true,true);
				}
		    }else{
		    	if(val==''&&!opts.dataLoad){
					loadData(target, transformData(target)); 
				}else{
			        setValue(target,val,true,true);
				}
		    }
			
		},
		removeItem:function(target,val){
			removeItem(target,val);
		},
		bindEvents:function(target){
			bindEvents(target);
		}, 
		onLoadSuccess: function(){},
		onLoadError: function(){},
		onSelect: function(record){},
		onUnselect: function(record){},
		onChange: function(newValue, oldValue){}
	};
	
})(jQuery);