function Dummy() {}
var funzione=Dummy;
var MenuBk = null;
var On_menu_background='#7DB5DD';
function set_on_bk(bk)
{
On_menu_background=bk;
}
function getObj(name)
	{
//if(document.layers) return document.layers[name];
if(document.all) return document.all[name];
if(document.getElementById) return document.getElementById(name);
return null;
}
function OnMenu(name)
{
var obj;
if(document.all)
	{
	obj=document.all[name];
	MenuBk=obj.currentStyle.backgroundColor;
	}
else if(document.getElementById)
	{
	obj=document.getElementById(name);
	MenuBk=obj.style.background;
	}
else return;
obj.style.background=On_menu_background;
}

function OutMenu(name)
{
if(document.all)  document.all[name].style.background = MenuBk;
else if(document.getElementById)  document.getElementById(name).style.background = MenuBk;
}