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

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		navtab_home_over = newImage("/images/navtab_home_over.gif");
		navtab_about_over = newImage("/images/navtab_about_over.gif");
		navtab_store_over = newImage("/images/navtab_store_over.gif");
		navtab_gallery_over = newImage("/images/navtab_gallery_over.gif");
		purchase_button_over = newImage("/images/purchase_button_over.gif");
		preloadFlag = true;
	}
}


function IE_css_hoversim (divarray) {

	for(i=0;i<divarray.length;i++) {
		thing = document.getElementById(divarray[i]);
		thing.onmouseover = function() {
			this.className+=" hover";
		}
		thing.onmouseout = function() {
			this.className=this.className.replace(" hover", "");
		}
		
	}
		
}
			

initPage = function() {
	preloadImages();
	if (document.all&&document.getElementById) { //it's IE
		divlist = new Array("store-nav", "about-nav");
		IE_css_hoversim(divlist);
	}
}

window.onload = initPage;