window.onLoad = preloadImages("climate_over.gif", "options_over.gif", "packages_over.gif", "home_over.gif");

var preloadFlag = false;
function preloadImages() {
	var ar = new Array();
	if (document.images) {
		 for (var i = 0; i < preloadImages.arguments.length; i++) {
    			ar[i] = newImage(preloadImages.arguments[i]);
		 }
	}
}


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

function changeImages(imgname, imgpath) {
	if (document.images) {
		document.images[imgname].src = imgpath;
	}
}