function alterarImagem(indice)
{
  var i, tamanho;

  for(i=0;i<3;i++)
  {
    tamanho = document.img_destaque[i].src.length;
    document.img_destaque[i].src=document.img_destaque[i].src.substring(0,tamanho-5) + "a.jpg";
  }
  tamanho = document.img_destaque[indice].src.length;
  document.img_destaque[indice].src=document.img_destaque[indice].src.substring(0,tamanho-5) + "b.jpg";
}


function EscreveFlash(piWid, piHei, psSrc, psId) 
{
var strSwf;

strSwf = "<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0\" id="+psId+" width="+piWid+" height="+piHei+">";
strSwf += "<param name=\"movie\" value="+psSrc+">";
strSwf += "<param name=\"allowScriptAccess\" value=\"sameDomain\" />";
strSwf += "<param name=\"quality\" value=\"high\">";
strSwf += "<param name=\"wmode\" value=\"transparent\">";
strSwf += "<embed id="+psId+" name="+psId+" allowScriptAccess=\"sameDomain\" swLiveConnect=\"true\" src="+psSrc+" quality=\"high\" wmode=\"transparent\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width="+piWid+" height="+piHei+"></embed></object>";

this.document.write(strSwf);
} 


function validar_enquete()
{
  var opcao = 0;
  for (var i = 0; i < enquete.opt.length; i++) {
    if (enquete.opt[i].checked) {
      opcao = enquete.opt[i].value;
    }
  }
    if (opcao == "0"){
      alert("Por favor, selecione uma opção.");
      return false;
    }
    return true;
} 

function AbreJanela(local, nome, prop) { 
  open(local,nome,"toolbar=no,location=no,directories=no,status=no,menubar=no,width=280,height=250,top=30,left=10");
}



function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  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; }
}