var imgHome			= new Array(2);
var imgServices		= new Array(2);
var imgContactUs	= new Array(2);
var imgAboutUs		= new Array(2);

function preloadImages() {
	
	var ImageDir = "images";
	
	imgHome[0]			= new Image();	
	imgHome[0].src		= ImageDir + "/ahomeoff.gif";
	imgHome[1]			= new Image();	
	imgHome[1].src		= ImageDir + "/ahomeon.gif";

	imgServices[0]			= new Image();	
	imgServices[0].src		= ImageDir + "/aservicesoff.gif";
	imgServices[1]			= new Image();	
	imgServices[1].src		= ImageDir + "/aserviceson.gif";

	imgContactUs[0]			= new Image();	
	imgContactUs[0].src		= ImageDir + "/acontactusoff.gif";
	imgContactUs[1]			= new Image();	
	imgContactUs[1].src		= ImageDir + "/acontactuson.gif";

	imgAboutUs[0]			= new Image();	
	imgAboutUs[0].src		= ImageDir + "/aaboutusoff.gif";
	imgAboutUs[1]			= new Image();	
	imgAboutUs[1].src		= ImageDir + "/aaboutuson.gif";
	
}

function swapImage(img, obj) {
	if(obj) {
		document[img].src = obj.src;
	}
}