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;
				}
			}

				var form1 = document.getElementById("xxgkzlForm");
				form1.submit();
			}