function changeFilter(filter){
				if(!bw.filter){ alert('This feature only works on Explorer5.5 + '); return}
				el=oCMenu.l[1].oBorder
				if(el.evnt.filters[0]) el.evnt.filters[0].Stop();
				el.css.filter=filter
			}
			
			function searchDate(){
			//if(document.getElementById("dateTo").value!=""){
				//if(document.getElementById("dateFrom").value>document.getElementById("dateTo").value){
					//alert('时间范围的起始值不能大于结束值');
					//document.getElementById("dateFrom").focus();
					//return false;
				//}
			//}
			//alert("aa");
				var form1 = document.getElementById("xxgkzlForm");
				var fileBh = document.getElementById("fileBh").value;
				var title = document.getElementById("title").value;
				var keywords = document.getElementById("keywords").value;
				
	    fileBh = fileBh.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  ");  
        if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(fileBh)){
        	alert("输入有误！请重新输入！");
        	document.getElementById("fileBh").value="";
        	return false;
        }
        
       title = title.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  "); 
       if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(title)){
        	alert("输入有误！请重新输入！");
        	document.getElementById("title").value = "";
        	return false;
        }
       keywords = keywords.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  "); 
        if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(keywords)){
        	alert("输入有误！请重新输入！");
        	document.getElementById("keywords").value ="";
        	return false;
        }
				
				form1.submit();
			}