function menuOver(id)  {
    
	menu = $('m' + id);
					
	if (menu_id != (id + 1))
	    menu.style.backgroundPosition = '0px -25px';
	else
	    menu.style.backgroundPosition = '0px -125px';

	if (id != 1)
	{
		id = id - 1;

		menu = $('m' + id);
		
		if (menu_id != id)
            menu.style.backgroundPosition = '0px -75px';
		else
		    menu.style.backgroundPosition = '0px -100px';
			
	}
	
	
}


function menuOut(id)  {
    
    menu = $('m' + id);
	
	if (menu_id != (id + 1))
	    menu.style.backgroundPosition = '0px 0px';
	else
	    menu.style.backgroundPosition = '0px -75px';
	
	if (id != 1)
	{
		id = id - 1;
		menu = $('m' + id);
        
		if (menu_id != id)
            menu.style.backgroundPosition = '0px 0px';		
		else
		    menu.style.backgroundPosition = '0px -50px';
			
	}
	
}


function menuUp(id)  {
   
	if (id != '')  
	{
		menu = $('m' + id);
	    menu.style.backgroundPosition = '0px -50px';
	    menu.onmouseover = null;
	    menu.onmouseout = null;
		
		if (id != 1)
		{
		    id = id - 1;
		    menu = $('m' + id);
	        menu.style.backgroundPosition = '0px -75px';
			
		}
		    
	}
	
}