// JavaScript Document

function horizontal() {
 
   var navItems = document.getElementById("menu_dropdown").getElementsByTagName("li");
    
   for (var i=0; i< navItems.length; i++) {
      if(navItems[i].className == "submenu")
      {
         if(navItems[i].getElementsByTagName('ul')[0] != null)
         {
            navItems[i].onmouseover=function() {this.getElementsByTagName('ul')[0].style.display="block";}
            navItems[i].onmouseout=function() {this.getElementsByTagName('ul')[0].style.display="none";}
         }
      }
   }
 
}

function navegador() {
var teste = false;
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
	var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
	if (ieversion<=6)
		{alert('Atualize seu navegador');window.location="http://download.microsoft.com/download/2/E/B/2EB4A8C1-419A-4139-8608-57109F5568B4/IE8-WindowsXP-x86-PTB.exe"; }
}
}