// JavaScript Document
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 showitem(id) {
	item1 = "reference-name-" + id;
	item2 = "reference-text-" + id;
	el1 = document.getElementById(item1);
	el2 = document.getElementById(item2);
	el1.style.display = 'block';
	el2.style.display = 'block';
}

function hideitem(id) {
	item1 = "reference-name-" + id;
	item2 = "reference-text-" + id;
	el1 = document.getElementById(item1);
	el2 = document.getElementById(item2);
	el1.style.display = 'none';
	el2.style.display = 'none';
}