function menuOver(id)  {
    
	menu = $('m' + id);
    menu.style.backgroundPosition = '0px -45px';
	
}


function menuOut(id)  {
    
    menu = $('m' + id);
    menu.style.backgroundPosition = '0px 0px';		
	
}


function menuUp(id)  {
   
	if (id != '')  
	{
		menu = $('m' + id);
	    menu.style.backgroundPosition = '0px -45px';
	    menu.onmouseover = null;
	    menu.onmouseout = null;

		    
	}
	
}