//preload images for navigation
nav_home_on = new Image();
nav_home_on = '/images/nav/nav_home_on.gif';

nav_contact_on = new Image();
nav_contact_on = '/images/nav/nav_contact_on.gif';

nav_locate_on = new Image();
nav_locate_on = '/images/nav/nav_locate_on.gif';

nav_employment_on = new Image();
nav_employment_on = '/images/nav/nav_employment_on.gif';

nav_login_on = new Image();
nav_login_on = '/images/nav/nav_login_on.gif';

nav_products_on = new Image();
nav_products_on = '/images/nav/nav_products_on.gif';

nav_about_on = new Image();
nav_about_on = '/images/nav/nav_about_on.gif';


//stop preloadin' images

function navOn(imName) {
		if (document.images) { 
		document.images[imName].src = '/images/nav/' + imName + "_on.gif"
			 };
}
function navOff(imName) {
		if (document.images) { 
		document.images[imName].src = '/images/nav/' + imName + '.gif' 
		};
}