function pageLoaded() {
	randomImage();
	externalLinks();
}

function randomImage() {
	// loads a random image from 1...n
	var numImages = 11;
	var image = Math.floor(Math.random() * numImages) + 1;
	document.getElementById("header").style.backgroundImage = "url(/images/top/" + image + ".jpg)";
	// window.setTimeout("randomImage()", 2000);
}

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 note(str) {
	alert(str);
}

if (typeof String.prototype.trim == "undefined") {
    String.prototype.trim = function () {
        var s = this.replace(/^\s*/, "");
        return s.replace(/\s*$/, "");
    }
}