function setActiveTo(array, el) {
	var el = $(el);
	var groupId = array;
	for (var i=0; i < groupId.length; i++) {
		if (groupId[i] == el) { 
			Element.addClassName(groupId[i], "current"); 
		}
		else { 
			Element.removeClassName(groupId[i], "current"); 
		}
	}
}

var groupTabs;
var groupTabsContent;
Event.observe(window,"load",function(){
	groupTabs = $$('#navlist .tabs');
	groupTabsContent = $$('#navtabs .tabsContent');
	QS = location.search.toQueryParams();
	QT = location.search.toQueryParams();

	if (QS.tab) {
		showTab('tab' + QS.tab);
	} else {
		showTab('tab1');
	}
})
function showTab(id) {
	setActiveTo(groupTabs,id+'_div');
	setActiveTo(groupTabsContent,id);
}

function popper(thisUrl,thisWindow,thisWidth,thisHeight,thisTop,thisLeft) {

	optionString = ('width=' + thisWidth + ',height=' + thisHeight + ',top=' + thisTop + ',left=' + thisLeft + ',status=no,menubar=no,resizable=yes,scrollbars=yes');

	mainWin = window.open(thisUrl,thisWindow,optionString);

}