// Function Load Events
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

// Change Image on MouseOverOut
function doImageMouseOverOut() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("nav")) return false;
	var nav = document.getElementById('nav');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0; i<imgs.length; i++) {
		if (imgs[i].className == "link") {
			var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
			imgs[i].onmouseover = function() {
				this.src = this.src.substring(0,this.src.lastIndexOf('.')) + "_hi" + suffix;
			}
			imgs[i].onmouseout = function() {
				this.src = this.src.substring(0,this.src.lastIndexOf('_')) + suffix;
			}
		}
	}
}

// Image Active
function doImageActive() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("nav")) return false;
	var nav = document.getElementById('nav');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0; i<imgs.length; i++) {
		if (imgs[i].className == "selected") {
			var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
			imgs[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "_hi" + suffix;
		}
	}
}

// Prepare ContentPage
/*function doContentPage() {
	if (!document.getElementById) return false;
	var backgroundflash = document.getElementById("BackgroundFlash");
	if (backgroundflash != null) {
		document.body.className = "bodybackground";
		document.getElementById("Content").style.visibility = "hidden";
	} else {
		document.getElementById("Content").style.visibility = "visible";
	}
}*/

addLoadEvent(doImageMouseOverOut);
addLoadEvent(doImageActive);
/*addLoadEvent(doContentPage);*/