// JavaScript Document
function vertical() { 

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

} 

function horizontal() { 

   var navItems = document.getElementById("barra").getElementsByTagName("li"); 
        
   for (var i=0; i< navItems.length; i++) { 
          if((navItems[i].className == "menuvertical") || (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";} 
                 } 
          } 
   } 

}