// JavaScript Document
if(document.images){
		b1off=new Image();b1off.src="images/in_softwaredevelopment.gif";
		b1on=new Image();b1on.src="images/in_softwaredevelopment_on.gif";		
		
		b2off=new Image();b2off.src="images/in_webdevelopement.gif";
		b2on=new Image();b2on.src="images/in_webdevelopement_on.gif";	
			
		b3off=new Image();b3off.src="images/in_printing.gif";
		b3on=new Image();b3on.src="images/in_printing_on.gif";	
			
		b4off=new Image();b4off.src="images/in_offshore.gif";
		b4on=new Image();b4on.src="images/in_offshore_on.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");
	}
}