<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
			  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
				document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
			  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
			}
			MM_reloadPage(true);

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; }
}
function hideAll(){
	MM_showHideLayers('menu_empresa','','hide','menu_produtos','','hide','menu_imprensa','','hide');	
}
function hideAll_produtos(){
	MM_showHideLayers('virtus','','hide','letramento','','hide','tisa','','hide','informatica','','hide','cdrom','','hide');	
}
//-->

  // ------------------------------------------------
  function popupUC(pg,nome,w,h,s){//popUp Unico Central
    var x; 	var y;
  	x = (screen.width-w)/2;	y = (screen.height-h)/2;
    window.open(pg,nome,'scrollbars='+s+',toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width='+w+',height='+h+',left='+x+',top='+y+'');
  }

  // ------------------------------------------------
  function validaForm(f){
    for (i=0 ; i<f.length ; i++){        
      e = f.elements[i];
      if (e.title=="Campo Obrigatório" && e.value == ""){
        alert("O campo "+e.alt+" deve ser preenchido");
        e.focus();
        return (false);
      } 
			if(e.name=="email")
				if(!validaMail(e)) return false;
    }
  }

  // ------------------------------------------------
		function validaMail (e){
			if ((e.value.indexOf("@") <= 0 || e.value.indexOf(".") <= 0) && e.value!=""){
				alert("Formato do email inválido.")
				e.focus()
				return (false);
			}
      e.value=e.value.toLowerCase();
			return (true);
		}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}