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 show(name) {
	var link = document.getElementById(name);
	var toshow = document.getElementById(name + "_c");
	link.style.display = "none";
	toshow.style.display = "block";
}

function hide(name) {
	var link = document.getElementById(name);
	var toshow = document.getElementById(name + "_c");
	link.style.display = "inline";
	toshow.style.display = "none";
}*/

function show(name) {
	var toshow = document.getElementById(name);
	toshow.style.display = "block";
}

function hide(name) {
	var toshow = document.getElementById(name);
	toshow.style.display = "none";
}