//
// Pre-load rollover images
//
var gImageArray = new Array();

if (document.images) {
	preload("icons/large/projectmanagement.png");
	preload("icons/large/softwareengineering.png");
	preload("icons/large/internet.png");
	preload("icons/large/mobile.png");
	preload("icons/large/technicalconsultancy.png");
	preload("icons/large/technologysupport.png");
	preload("icons/large_grey/projectmanagement.png");
	preload("icons/large_grey/softwareengineering.png");
	preload("icons/large_grey/internet.png");
	preload("icons/large_grey/mobile.png");
	preload("icons/large_grey/technicalconsultancy.png");
	preload("icons/large_grey/technologysupport.png");
}

function preload(filename) {
	var i = new Image;
	i.src = "/images/" + filename;
	gImageArray.push(i);
}

function rollOn(img) {
	img.src = img.src.replace(/\/large_grey\//, "/large/");
}

function rollOff(img) {
	img.src = img.src.replace(/\/large\//, "/large_grey/");
}