function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		tours_over = newImage("http://egypttoursandtravel.com/new/side-imgs/tours-over.gif");
		customize_over = newImage("http://egypttoursandtravel.com/new/side-imgs/customize-over.gif");
		company_over = newImage("http://egypttoursandtravel.com/new/side-imgs/company-over.gif");
		information_over = newImage("http://egypttoursandtravel.com/new/side-imgs/information-over.gif");
		testimonials_over = newImage("http://egypttoursandtravel.com/new/side-imgs/testimonials-over.gif");
		agents_over = newImage("http://egypttoursandtravel.com/new/side-imgs/agents-over.gif");
		contact_over = newImage("http://egypttoursandtravel.com/new/side-imgs/contact-over.gif");
		preloadFlag = true;
	}
}