function vertical() { 
			
			   var navItems = document.getElementById("nav1").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 = "";} 
							 navItems[i].onmouseout=function() {this.getElementsByTagName('ul')[0].style.display="none";this.style.backgroundColor = "";} 
					  } 
			   } 
			
			} 
			
			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.backgroundColor = "";} 
									navItems[i].onmouseout=function() {this.getElementsByTagName('ul')[0].style.display="none";this.style.backgroundColor = "";} 
							 } 
					  } 
			   } 
			
			}