function disableLink(aLink) {
	aLink.href = "#";
	aLink.className = "disabled";

	obj = aLink;	
	while (obj) {
		obj = obj.parentNode;
		if (obj.tagName == "TABLE") {
			showHeader(obj);
			break;
		}
	}
}

function showHeader(taHeader) {
	aHeader = eval(taHeader.id.substr(1));
	
	taCellphones.style.display = 'none';
	taVOIP.style.display = 'none';
	taWireless.style.display = 'none';
	taAccessories.style.display = 'none';
	taEuropean.style.display = 'none';

	taLine.style.display = '';
	taHeader.style.display = '';
	
	aCellphones.className = 'catA';
	aVOIP.className = 'catA';
	aWireless.className = 'catA';
	aAccessories.className = 'catA';
	aEuropean.className = 'catA';

	aHeader.className = 'disabled';
}