var img=new Array();
var currOn = null;
function Rollover(imgName, imgOut, imgOver, imgClick, imgClickOut)
{
	if(imgClick    == null)	imgClick 	= imgOver;
	if(imgClickOut == null)	imgClickOut	= imgClick;

	var roll = new Object;

	roll.out		= imgOut;
	roll.over		= new Image();
	roll.over.src	= imgOver;
	roll.click		= new Image();
	roll.click.src	= imgClick;
	roll.click_out	= new Image();
	roll.click_out.src = imgClickOut;

	img[imgName] = roll;	
}
function mOver(imgName)
{
	document.images[imgName].src = (imgName != currOn) ? img[imgName].over.src : img[imgName].click.src;
}
function mOut(imgName)
{
	document.images[imgName].src = (imgName != currOn) ? img[imgName].out : img[imgName].click_out.src;
}
function mClick(imgName)
{
	if(currOn != null) document.images[currOn].src = img[currOn].out;
	currOn = imgName;
	document.images[currOn].src = img[currOn].click.src;
}
function mSelect(imgName)
{
	mClick(imgName);
	mOut(imgName);
}

Rollover("home","images/home_off.jpg","images/home_on.jpg","images/home_clk.jpg","images/home_clk.jpg");
Rollover("about","images/aboutus_off.jpg","images/aboutus_on.jpg","images/aboutus_clk.jpg","images/aboutus_clk.jpg");
Rollover("training","images/training_off.jpg","images/training_on.jpg","images/training_clk.jpg","images/training_clk.jpg");
Rollover("protection","images/protection_off.jpg","images/protection_on.jpg","images/protection_clk.jpg","images/protection_clk.jpg");
Rollover("courses","images/courses_off.jpg","images/courses_on.jpg","images/courses_clk.jpg","images/courses_clk.jpg");
Rollover("casestudies","images/casestudies_off.jpg","images/casestudies_on.jpg","images/casestudies_clk.jpg","images/casestudies_clk.jpg");
Rollover("news","images/news_off.jpg","images/news_on.jpg","images/news_clk.jpg","images/news_clk.jpg");
Rollover("contactus","images/contactus_off.jpg","images/contactus_on.jpg","images/contactus_clk.jpg","images/contactus_clk.jpg");
Rollover("resources","images/resources_off.jpg","images/resources_on.jpg","images/resources_clk.jpg","images/resources_clk.jpg");