addLoadEvent(enhanceLinks);

function enhanceLinks() {
	var links = document.getElementById("content").getElementsByTagName("a");
	for (var i = 0; i < links.length; i++) {
		var href = links[i].getAttribute("href");
		if (href.substring(href.length - 4).toLowerCase() == ".pdf") {
			var pdfImg = document.createElement("img");
			pdfImg.setAttribute("src", "./images/pdficon_small.gif");
			pdfImg.setAttribute("alt", "(PDF)");
			addClass(pdfImg, "linkEnhancementIcon");
			links[i].appendChild(pdfImg);
		} else if ((href.substring(0, 2) != "./") && (href.substring(0, 7).toLowerCase() == "http://") && (href.substring(0, 26).toLowerCase() != "http://clementonschool.org") && (href.substring(0, 30).toLowerCase() != "http://www.clementonschool.org") && (href.substring(0, 26).toLowerCase() != "http://clementon.k12.nj.us") && (href.substring(0, 30).toLowerCase() != "http://www.clementon.k12.nj.us")) {
			var externalImg = document.createElement("img");
			externalImg.setAttribute("src", "./images/external.png");
			externalImg.setAttribute("alt", "(external link)");
			addClass(externalImg, "linkEnhancementIcon");
			links[i].appendChild(externalImg);
		}
	}
}