function touPiao(num){
	if(num>0){
		num="&lmid="+num;
	}else{
		var dcradio=document.getElementsByName("dcradio"); num=0
		for(var i=0;i<dcradio.length;i++){
			if(dcradio[i].checked){
				num=dcradio[i].value;break;
			}
		}if(num==0){alert("请选择您要投票的栏目!");return;}
	}
	var w=300,h=500;
	var l=Math.floor((screen.width-w)/2);
	var t=Math.floor((screen.height-h)/2);
	var s2="dialogWidth:"+w+"px;dialogLeft:"+l+"px;dialogTop:"+t+"px;dialogHeight:"+h+"px;help: no; scroll: no; status: yes";
	var arr=showModalDialog("touPiao.aspx?id="+num,"",s2);
}