function goto(object,object2)
{
if (object.style.display=='none'){
display1.style.display='none';
display2.style.display='none';
display3.style.display='none';
display4.style.display='none';
object.style.display='';
}

document.all('d1').innerHTML = "<a hideFocus href=javascript:goto(document.all.display1,'1')>Laser Products</a>";
document.all('d2').innerHTML = "<a hideFocus href=javascript:goto(document.all.display2,'2')>Inkjet cartridges</a>";
document.all('d3').innerHTML = "<a hideFocus href=javascript:goto(document.all.display3,'3')>Bulk inks and Refill kits</a>";
document.all('d4').innerHTML = "<a hideFocus href=javascript:goto(document.all.display4,'4')>Ribbon</a>";
switch(object2)
	{
		case '1':
			document.all('d1').innerHTML = "<b>Laser Products</b>";
			break;
		case '2':
			document.all('d2').innerHTML = "<b>Inkjet cartridges</b>";
			break;
		case '3':
			document.all('d3').innerHTML = "<b>Bulk inks and Refill kits</b>";
			break;
		case '4':
			document.all('d4').innerHTML = "<b>Ribbon</b>";
			break;
	}
}