if (document.images){
	var image1 = new Image();
	var image2 = new Image();
	var image3 = new Image();
	var image4 = new Image();
	var image5 = new Image();
	var image6 = new Image();
	var image7 = new Image();
	
	image1.src="/e3/assets~/images/navbar/welcome_alt.png";
	image2.src="/e3/assets~/images/navbar/about_alt.png";
	image3.src="/e3/assets~/images/navbar/explore_alt.png";
	image4.src="/e3/assets~/images/navbar/envision_alt.png";
	image5.src="/e3/assets~/images/navbar/engage_alt.png";
	image6.src="/e3/assets~/images/navbar/register_alt.png";
	image7.src="/e3/assets~/images/navbar/contact_alt.png";
}