// JavaScript Document
if(document.images){
		b1off=new Image();b1off.src="images/link1.gif";
		b1on=new Image();b1on.src="images/link1_roll.gif";		
		
		b2off=new Image();b2off.src="images/link2.gif";
		b2on=new Image();b2on.src="images/link2_roll.gif";	
			
		b3off=new Image();b3off.src="images/link3.gif";
		b3on=new Image();b3on.src="images/link3_roll.gif";	
			
		b4off=new Image();b4off.src="images/link4.gif";
		b4on=new Image();b4on.src="images/link4_roll.gif";	
			
		b5off=new Image();b5off.src="images/link5.gif";
		b5on=new Image();b5on.src="images/link5_roll.gif";	
		
		b6off=new Image();b6off.src="images/link6.gif";
		b6on=new Image();b6on.src="images/link6_roll.gif";	
		
		b7off=new Image();b7off.src="images/link7.gif";
		b7on=new Image();b7on.src="images/link7_roll.gif";
		
		b8off=new Image();b8off.src="images/link8.gif";
		b8on=new Image();b8on.src="images/link8_roll.gif";
		
		
	}
function enable(bn){
	if(document.images){
		loc = "b" + bn;
		document[loc].src = eval(loc + "on.src");
	}
}
function disable(bn){
	if(document.images){
		loc = "b" + bn;
		document[loc].src = eval(loc + "off.src");
	}
}