function getStyle(arg)
{
	alert("Kalender getStyle");
	if(document.all)return(eval("document.all."+arg+".style"));
	else if(document.layers)return(eval("document.layers."+arg));
	else return(eval("document.getElementById('"+arg+"').style"));
}

function changeVisibility(arg)
{
	alert("Kalender Change");
	var ns=0;
	if(document.layers){hidden="hide";visible="show";}
	else{hidden="hidden";visible="visible";}
	
	doc=getStyle(arg);
	
	if(doc.visibility==visible)doc.visibility=hidden;
	else doc.visibility=visible;
}

function kalender1()
{
	changeVisibility('openKal');
}

function kalender2()
{
	var host=window.location.hostname;
	open("http://"+host+"/main/kalender.