function popopen(a,b,c)
{
window.open(a,b,c);
}

  
  function mOvr(src,clrOver) {

    if (!src.contains(event.fromElement)) {

	  src.style.cursor = 'hand';

	  src.bgColor = clrOver;

	}

  }

  function mOut(src,clrIn) {

	if (!src.contains(event.toElement)) {

	  src.style.cursor = 'default';

	  src.bgColor = clrIn;

	}

  }

   function mclick(src,clrOver) {

    if (!src.contains(event.fromElement)) {

	  src.style.cursor = 'hand';

	  src.bgColor = clrOver;
                  self.location.href='#';
	}

  }
  
 <!--
function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}
//-->


function votarvalida(formnome,idenquete)
{
	
	var total_opcoes = eval('document.form_votacao'+formnome+'.voto');
	var votou=0
	
	for (i=0;i<total_opcoes.length;i++){
	     var opcao = eval('document.form_votacao'+formnome+'.voto[i]');
	     if (opcao.checked){
	        var votou=opcao.value
	     }
	
	}
	

	     if (votou == 0){
	        alert("Voce não escolheu nenhuma opção");
	     }
	     else
	     {
	     	 //alert('teste');
	         window.open("votacao.asp?ID="+idenquete+"&opcao="+votou,"voto","width=500,height=350,scrollbars=yes,toolbar=no,top=10,left=15");
	     }

}