function popup(url)
{
	newwindow=window.open(url,'forklaring','scrollbars=1,resizable=1,width=600,height=400');
	if (window.focus) {
		newwindow.focus();
	}
}

function expand(id, url)
{
	var el = document.getElementById("lesmer" + id);
	var button = document.getElementById("lesmerlink" + id);
	var buttonparent = button.parentNode;
	if(el){
		if (el.style.display == "none" || el.style.display == "") {
			// Show me
			el.style.display = "block";
			button.src = url + "/collapse.gif"
		}
		else {
			// Hide me
			el.style.display = "none";
			button.src = url + "/expand.gif"
		}
 	}
}

function expandto(id, tekst)
{
	var el = document.getElementById(id);
	if(el){
		var spanchild = document.getElementById('added'+id);
		if (spanchild) {
			el.removeChild(spanchild);
		}
		else {
			var span = document.createElement("span");
			span.id = "added"+id;
			el.appendChild(span);
			var lines = new Array();
			lines = tekst.split("<br>");
			for (var i=0; i<lines.length; i++) {
				var buttext = document.createTextNode(lines[i]);
				span.appendChild(buttext);
				var butbr = document.createElement("BR");
				span.appendChild(butbr);
			}
		}
 	}
}