//detect browser:
var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) browserVer = "1";
else browserVer = "2";

//preload images:
/* if (browserVer == 1) */ {
a1 = new Image(1024,340);
a1.src = "media/blog_desc.png";
a2 = new Image(1024,340);
a2.src ="media/gallery_desc.png";
a3 = new Image(1024,340);
a3.src="media/blackwater_desc.png";
a4 = new Image(1024,340);
a4.src="media/credits_desc.png";
a0 = new Image(1024,340);
a0.src = "media/blank.png";
}

//image swapping function:
function hiLite(imgDocID, imgObjName, comment) {
if (browserVer == 1) {
document.images[imgDocID].src = eval(imgObjName + ".src");
window.status = comment; return true;
}}