if(document.images){
	products_off=new Image; products_off.src='/Images/nav_products.gif';
	products_on=new Image; products_on.src='/Images/nav_products_on.gif';
	education_off=new Image; education_off.src='/Images/nav_education.gif';
	education_on=new Image; education_on.src='/Images/nav_education_on.gif';
	service_off=new Image; service_off.src='/Images/nav_service.gif';
	service_on=new Image; service_on.src='/Images/nav_service_on.gif';
	about_off=new Image; about_off.src='/Images/nav_about.gif';
	about_on=new Image; about_on.src='/Images/nav_about_on.gif';
	about2_off=new Image; about2_off.src='/Images/nav_about2.gif';
	about2_on=new Image; about2_on.src='/Images/nav_about2_on.gif';
	home_off=new Image; home_off.src='/Images/nav_home.gif';
	home_on=new Image; home_on.src='/Images/nav_home_on.gif';
}
function imageSwap(location,imageName){
	if(document.images) document.images[location].src=eval(imageName+'.src');
}