//MÁRIO FONTE 06-09-2009

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"; this.style.backgroundColor = "red"; } 
                 navItems[i].onmouseout=function() {this.getElementsByTagName('ul')[0].style.display="none";this.style.backgroundColor = "pink";} 
          } 
   } 

} 

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"; this.style.background = "url(../images/button4.gif) no-repeat right top"; }
                     navItems[i].onmouseout = function() { this.getElementsByTagName('ul')[0].style.display = "none"; this.style.background = "url(../images/button4.gif) no-repeat right top"; } 
                 } 
          } 
   } 

}