// JavaScript Document

function mudamenu(i){		
		
		switch(i){		
		case 1:		
		 document.getElementById('menu1').style.backgroundPosition = '0 -191px';
		 document.getElementById('menu2').style.backgroundPosition = '0 -48px';
		 document.getElementById('menu3').style.backgroundPosition = '0 -96px';
		 document.getElementById('menu4').style.backgroundPosition = '0 -142px';		 
		break;
		
		case 2:		
		 document.getElementById('menu1').style.backgroundPosition = '0 0';
		 document.getElementById('menu2').style.backgroundPosition = '0 -239px';
		 document.getElementById('menu3').style.backgroundPosition = '0 -96px';
		 document.getElementById('menu4').style.backgroundPosition = '0 -142px';		 
		break;
		
		case 3:		
		 document.getElementById('menu1').style.backgroundPosition = '0 0';
		 document.getElementById('menu2').style.backgroundPosition = '0 -48px';
		 document.getElementById('menu3').style.backgroundPosition = '0 -287px';
		 document.getElementById('menu4').style.backgroundPosition = '0 -142px';		 
		break;
		
		case 4:		
		 document.getElementById('menu1').style.backgroundPosition = '0 0';
		 document.getElementById('menu2').style.backgroundPosition = '0 -48px';
		 document.getElementById('menu3').style.backgroundPosition = '0 -96px';
		 document.getElementById('menu4').style.backgroundPosition = '0 -333px';		 
		break;
		}	
			
			
}