function isDefined(property) {
	return (typeof property != 'undefined');
}

function externalLinks() {
	if (!document.getElementsByTagName) {
		return;
	}
	var anchors = document.getElementsByTagName("a");
	for (var i=0;i<anchors.length;i++) { 
		var anchor = anchors[i];
		if ((anchor.getAttribute("href")) && (anchor.getAttribute("rel") == "external")) {
			anchor.target = "_blank";
		}
	}
}

function blurLinks() {
	lnks = document.getElementsByTagName("a");
	inpts = document.getElementsByName("input");
	for(i=0;i<lnks.length;i++) {	
		if ((lnks[i].getAttribute("rel") == null) || (lnks[i].getAttribute("rel") == "")) {
			lnks[i].onfocus = new Function("this.blur()");
		}
	}
	for(i=0;i<inpts.length;i++) {
		inpts[i].onfocus= new Function("this.blur()");
	}
}

function correctPNG() {
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);

	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (itsAllGood && img.src.match(/\.png$/i) != null) {
			img.style.visibility = "hidden";
			var src = img.src;
			var div = document.createElement("DIV");
			div.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizing='scale')"
			div.style.width = img.width + "px";
			div.style.height = img.height + "px";
			if (img.parentElement.href) {
				div.style.cursor = "hand";
			}
			img.replaceNode(div);
			img.style.visibility = "visible";
		}
	}
}

if (isDefined(window.addEventListener)) {
	window.addEventListener("load", RunFunctions, false);
}

else if (isDefined(window.attachEvent)) {
	window.attachEvent("onload", RunFunctions);
}

function RunFunctions() {
	externalLinks();
	blurLinks();
	if ((window.attachEvent) && (!isDefined(document.body.style.maxHeight))) {
		correctPNG();
	}
}