// JavaScript Document

function oeffnefenster (url) {
 fenster=window.open(url, "fenster1", "width=500,height=400,status=no,scrollbars=yes,resizable=no");
 fenster.focus();
}


function changeTab(tab, prefix, containerEl) {
	var tabId = tab.id.split("_")[1];
	var tabContent = prefix+"_"+tabId;
	var tb = document.getElementById(tabContent);
	
	if( tb ) {
		var container = document.getElementById(containerEl);
		var uList = container.getElementsByTagName("ul");
		for(i = 0; i < uList.length; i++) {
			uList[i].style.display = "none";
		}
		
		var par = tab.parentNode;
		if( par && par.nodeName.toLowerCase() == "li" ) {
			var uL = par.parentNode;
			var uList = uL.getElementsByTagName("li");
			var last = null;
			
			for(i = 0; i < uList.length; i++) {
				if( i == uList.length-1 ) {
					last = uList[i];
					uList[i].className = "last";
				}
				else
					uList[i].className = "";
			}
			
			if( par == last ) {
				par.className = "last active";
			}
			else
				par.className = "active";
		}
		
		tb.style.display = "";
	}
}