function despMenu(nombre, sn){
obj = document.getElementById(nombre);
if (sn != 0)
     obj.style.visibility="visible";
else
     obj.style.visibility="hidden";
}


function cambiaColor(nombre, sn){
obj = document.getElementById(nombre);
if (sn != 0)
     obj.style.backgroundColor='#000000';
else
     obj.style.backgroundColor='#666666';
}


function cambiaenlace(id,sn){
obj = document.getElementById(id);
if (sn != 0)
     obj.style.fontWeight="bold"; 
else
     obj.style.fontWeight="normal"; 	 
	 }


function posicionTop() { 

    document.getElementById("itMenu1").style.top=document.getElementById("empre").offsetTop+25;
	document.getElementById("itMenu1").style.left=document.getElementById("empre").offsetLeft;
	
	document.getElementById("itMenu2").style.top=document.getElementById("servici").offsetTop+25;
	document.getElementById("itMenu2").style.left=document.getElementById("servici").offsetLeft;
	
	document.getElementById("itMenu3").style.top=document.getElementById("magazi").offsetTop+25;
	document.getElementById("itMenu3").style.left=document.getElementById("magazi").offsetLeft;
	
	document.getElementById("itMenu4").style.top=document.getElementById("pren").offsetTop+25;
	document.getElementById("itMenu4").style.left=document.getElementById("pren").offsetLeft;
	
	document.getElementById("itMenu211").style.top=document.getElementById("itMenu21").offsetTop+100;
	document.getElementById("itMenu211").style.left=document.getElementById("itMenu2").offsetLeft+190;
	
	document.getElementById("itMenu212").style.top=document.getElementById("itMenu22").offsetTop+100;
	document.getElementById("itMenu212").style.left=document.getElementById("itMenu2").offsetLeft+190;
	
	document.getElementById("itMenu213").style.top=document.getElementById("itMenu23").offsetTop+100;
	document.getElementById("itMenu213").style.left=document.getElementById("itMenu2").offsetLeft+190;
	
	document.getElementById("itMenu214").style.top=document.getElementById("itMenu24").offsetTop+100;
	document.getElementById("itMenu214").style.left=document.getElementById("itMenu2").offsetLeft+190;
	
	document.getElementById("itMenu215").style.top=document.getElementById("itMenu25").offsetTop+100;
	document.getElementById("itMenu215").style.left=document.getElementById("itMenu2").offsetLeft+190;
	
	document.getElementById("itMenu216").style.top=document.getElementById("itMenu26").offsetTop+100;
	document.getElementById("itMenu216").style.left=document.getElementById("itMenu2").offsetLeft+190;
	
	document.getElementById("itMenu217").style.top=document.getElementById("itMenu27").offsetTop+100;
	document.getElementById("itMenu217").style.left=document.getElementById("itMenu2").offsetLeft+190;
}