function VoteDig(domain,voteid,itemid){ 
	   getElement('button_'+itemid).innerHTML="<img src='http://img1.cache.netease.com/auto/img07/voted.gif'/>";
	   getElement('item_'+itemid).innerHTML++;
	   var ajaxscript = document.createElement("script");
	   ajaxscript.type="text/javascript";
	   ajaxscript.src="http://vote."+domain+"/vote/dig.jsp?voteid="+voteid+"&itemid="+itemid;
	   document.getElementsByTagName("head")[0].appendChild(ajaxscript);
}