// $Id: img.js,v 1.1 2003/05/13 18:18:25 justin Exp $
// Common image manipulation functions

var path = "/images/";

function navOver(img) {
	var src = path + img +"_over.gif";
	imgSwap(img, src);
}

function navOut(img) {
	var src = path + img +"_off.gif";
	imgSwap(img, src);
}

function blueOver(link) {
	var src = "/images/nav/blueBarLinks_"+ link +".gif";
	imgSwap("blueBarLinks", src);
}

function blueOut() {
	imgSwap("blueBarLinks", "/images/nav/blueBarLinks_off.gif");
}

function imgSwap(img, src) {
	eval("document."+ img +".src = '"+ src +"'");
}

var rollImages = new Array();

function imgPreload(path){
	for (var i = 1; i < arguments.length; i++) {
		rollImages[i] = new Image();
		rollImages[i].src = path + imgPreload.arguments[i];
	}
}