function doVote(){
		var items="";
		var id="";
 		var f = vote.elements;
		var bol=false;
		for(var i=0;i<f.length;i++){
			if(f[i].name.substring(0,6)=="option"&&f[i].checked){
				if(bol){
		    		items=items+"_"+f[i].value;
		    	}else{
					items=items+f[i].value;
				}
				bol=true;
			}
		}
		if(items==""){
			alert("请选择网上调查的内容！");
			return;
		}
		vote.itemidname.value=items;
		vote.action="/invAction.do";	
		vote.submit();
	}
	function doView(){
		vote.action="/invResult.do";
		vote.submit();
	}