function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); 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 showImage(){
	return(theImages[whichImage]);
}

function Valida(oForm){ 
	var r = true;
	for (i = 0; i < oForm.length; i++) {
		if (oForm[i].value == "" && oForm[i].alt == "required") {
			alert("Favor preencher o campo " + oForm[i].id.toUpperCase());/* .substr(1,oForm[i].lenght) */
			oForm[i].focus();
			r = false;
			break;
		}

	}
	return r;
}


function AbreComentario(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
};


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

var newwin;

function launchwin(winurl,winname,winfeatures)
{
	//This launches a new window and then
	//focuses it if window.focus() is supported.
	newwin = window.open(winurl,winname,winfeatures);
	if(javascript_version > 1.0)
	{
		//delay a bit here because IE4 encounters errors
		//when trying to focus a recently opened window
 		setTimeout('newwin.focus();',250);
	}
}