//detect browser:
browserName = navigator.appName;
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(71,26);
	a1.src = "http://www.maddogstudios.net/images/menu_01.jpg";
	a2 = new Image(71,26);
	a2.src = "http://www.maddogstudios.net/images/menu_01_on.jpg";
	a3 = new Image(81,26);
	a3.src = "http://www.maddogstudios.net/images/menu_02.jpg";
	a4 = new Image(81,26);
	a4.src = "http://www.maddogstudios.net/images/menu_02_on.jpg";
	a5 = new Image(118,26);
	a5.src = "http://www.maddogstudios.net/images/menu_03.jpg";
	a6 = new Image(118,26);
	a6.src = "http://www.maddogstudios.net/images/menu_03_on.jpg";
	a7 = new Image(176,26);
	a7.src = "http://www.maddogstudios.net/images/menu_04.jpg";
	a8 = new Image(176,26);
	a8.src = "http://www.maddogstudios.net/images/menu_04_on.jpg";
	a9 = new Image(107,26);
	a9.src = "http://www.maddogstudios.net/images/menu_05.jpg";
	a10 = new Image(107,26);
	a10.src = "http://www.maddogstudios.net/images/menu_05_on.jpg";
}

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

// old onMouseover Function
function swapimage() {
	if (!document.getElementById) return
	var imgOriginSrc;
	var imgTemp = new Array();
	var imgarr = document.getElementsByTagName('img');
	for (var i = 0; i < imgarr.length; i++) {
		if (imgarr[i].getAttribute('hsrc')) {
			imgTemp[i] = new Image();
			imgTemp[i].src = imgarr[i].getAttribute('hsrc');
			imgarr[i].onmouseover = function() {
				imgOriginSrc = this.getAttribute('src');
				this.setAttribute('src',this.getAttribute('hsrc'))
			}
			imgarr[i].onmouseout = function() {
				this.setAttribute('src',imgOriginSrc)
			}
		}
	}
}