image_norm = new Image();
image_norm.src = "/images/bottom_off.jpg";

image_hov = new Image();
image_hov.src = "/images/bottom_on.jpg";

image_norm1 = new Image();
image_norm1.src = "/images/early_vote.jpg";

image_hov1 = new Image();
image_hov1.src = "/images/early_vote_on.jpg";

image_norm2 = new Image();
image_norm2.src = "/images/volunteer_button.jpg";

image_hov2 = new Image();
image_hov2.src = "/images/volunteer_button_on.jpg";

image_norm3 = new Image();
image_norm3.src = "/images/endorse_button.jpg";

image_hov3 = new Image();
image_hov3.src = "/images/endorse_button_on.jpg";

image_norm4 = new Image();
image_norm4.src = "/images/discuss_button.jpg";

image_hov4 = new Image();
image_hov4.src = "/images/discuss_button_on.jpg";

function swap(){
	if (document.images){
		for (var x=0; x < swap.arguments.length; x+=2) {
		document[swap.arguments[x]].src = eval(swap.arguments[x+1] + ".src");
		}
	}
}