// JavaScript Document

function rollover() {
	if (document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for (var i=0; i < images.length; i++) {
			if (images[i].getAttribute("src") && images[i].getAttribute("src").match("_off.")) {
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

function is_active() {
	if (document.getElementsByTagName) {
		var url = location.href.replace(/^http:\/\/[^\/]+/, "");
		var images = document.getElementsByTagName("img");
		for (var i=0; i < images.length; i++) {
			if (images[i].getAttribute("src") && images[i].getAttribute("src").match("_off.")) {
				var a = images[i].parentNode;
				if (a.getAttribute("href")) {
					var href = a.getAttribute("href").replace(/^http:\/\/[^\/]+/, "");
					if ( url == href ) {
						images[i].setAttribute("src", images[i].getAttribute("src").replace("_off.", "_on."));
						images[i].onmouseout = function() {
							return false;
						}
					}
				}
			}
		}
	}
}

function set_active( target ) {
	if (document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for (var i=0; i < images.length; i++) {
			if (images[i].getAttribute("src") && images[i].getAttribute("src").match("_off.")) {
				var a = images[i].parentNode;
				if (a.getAttribute("href")) {
					var href = a.getAttribute("href").replace(/^http:\/\/[^\/]+/, "");
					if ( target == href ) {
						images[i].setAttribute("src", images[i].getAttribute("src").replace("_off.", "_on."));
						images[i].onmouseout = function() {
							return false;
						}
					}
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", rollover, false);
	window.addEventListener("load", is_active, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", rollover);
	window.attachEvent("onload", is_active);
}
