var welcherBrowser = navigator.appName;
var Ver = parseInt(navigator.appVersion);
var version = "0";
if(welcherBrowser == "Netscape" && Ver >= 4) version = "1";
if(welcherBrowser == "Microsoft Internet Explorer" && Ver >= 4) version = "1";
if(document.layers)
{
	ns = 1;
	ie = 0;
}
else
{
	ns = 0;
	ie = 1;
}

// Browserabfrage
if(navigator.appName == "Netscape" && parseInt(navigator.appVersion) <= 4)
{
	document.write('<link rel="stylesheet" type="text/css" href="scripts/formate.css">');
}
else
{
	document.write('<link rel="stylesheet" type="text/css" href="scripts/formate.css">');
}


// Popup
function popup(src,w,h)
{
	var breite = (screen.width - w) / 2;
	var hoehe = (screen.height - h) / 2;
	window.open(src,"popwin","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=no,width="+w+",height="+h+",top="+hoehe+",left="+breite);
}


// Kontaktformular
function CheckForm()
{
	var fehler = 0;
	if(document.kontaktform.name.value == "" && fehler == 0)
	{
		alert("Bitte geben Sie Ihren Namen an.");
		document.kontaktform.name.focus();
		fehler = 1;
	}
	if(document.kontaktform.email.value == "" && fehler == 0)
	{
		alert("Bitte geben Sie Ihre E-Mail Adresse an.");
		document.kontaktform.email.focus();
		fehler = 1;
	}
	if(document.kontaktform.nachricht.value == "" && fehler == 0)
	{
		alert("Bitte geben Sie eine nachricht an.");
		document.kontaktform.nachricht.focus();
		fehler = 1;
	}
	
	if(fehler == 0)
	{
		document.kontaktform.email.value = document.kontaktform.email.value;
		document.kontaktform.submit();
	}
}

// Navigation
function IDchange(el,ds)
{
	if(document.getElementById)
	{
		var nodeObj = document.getElementById(el)
		nodeObj.style.display = ds;
	}
}

function CLASSchange(e,v)
{
	if(document.getElementByTagName) //check for obj
	{
		var nodes 	= document.getElementByTagName(e)
		var max		= nodes.length
		for(var i = 0;i < max;i++)
		{
			var nodeObj = nodes.item(i);
			var attrMax = nodeObj.attributes.length
			for(var j = 0;j < attrMax; j++)
			{
				if(nodeObj,attribute.item(j).nodeName == 'class')
				{
					if(nodeObj.attribute.item(j).nodeValue == 'einschub')
					nodeObj.style.display = v;
				}
			}
		}
	}
}