function Edit()
			{
			var stime = document.getElementById("d5221").value;
		        var etime = document.getElementById("d5222").value;
	
		        if (stime == ""){
		            alert("请选择展会开始时间！");
		            return false;
		        }
		        if(etime==""){
		            alert("请选择展会结束时间！");
		            return false;
		        }
			var sel = 0;
             for (var i = 0; i < document.getElementsByName("radio").length; i++)
 　            {
  　　            if(document.getElementsByName("radio")[i].checked)
  　　　            {
   　　　　            sel = document.getElementsByName("radio")[i].value;
  　　            }
 　            }
			window.open("exhibit_search.aspx?key="+document.getElementById("keyword").value+"&s="+sel+"&type="+document.getElementById("type").value+"&stime="+document.getElementById("d5221").value+"&etime="+document.getElementById("d5222").value);
			}