//author: B.G. Ulrich
//publisher: Kunstverein Trier Junge Kunst e.V.
//copyright: Kunstverein Trier Junge Kunst e.V.
//Letzte Aktualisierung: 7.8.2009

var isIE4=false; //Microsoft Internet Explorer 4.x und Opera 5.x
var isIE5=false; //Microsoft Internet Explorer ab 5.x
var isN4=false;  //Netscape Navigator 4.x
var isW3C=false; //Netscape Navigator und Internet Explorer ab 6.x oder Mozilla 

if (navigator.appName=="Microsoft Internet Explorer")
{
	//bei MS Internet Explorer gibt navigator.appVersion die Mozilla-Version zurück!
	//die Version des Explorers muss deshalb so ermittelt werden: 
	var re=new RegExp("(.*)msie (.*)","i");
	if (re.test(navigator.appVersion))
	{
		var msie_version=navigator.appVersion.match(re)[2].charAt(0);
		if (msie_version=='4')
		{
			isIE4=true;
		}
		else if (msie_version=='5')
		{
			isIE5=true;
		}
		else if (msie_version>='6')
		{
			isIE5=true;
			isW3C=true;
		}
	}
}
else if (navigator.appName=="Netscape")
{
	if (navigator.appVersion.charAt(0)=='4')
	{
		isN4=true;
	}
	else if (navigator.appVersion.charAt(0)>='5')
	{
		isW3C=true;
	}
}
else if (navigator.appName=="Opera")
{
	if (navigator.appVersion.charAt(0)=='4')
	{
		isN4=true;
	}
	else if (navigator.appVersion.charAt(0)=='5')
	{
		isIE5=true;
	}
	else if (navigator.appVersion.charAt(0)>='6')
	{
		isIE5=true;
		isW3C=true;
	}
}

function ein(derLayer)
{
	moveObject(derLayer,20);
}

function aus(derLayer)
{
	moveObject(derLayer,-300);
}

function getObject(name)
{
	if (isIE4 || isIE5)
	{
		return document.all[name].style;
	}
	else if (isN4)
	{
		return document.layers[name];
	}
	else if (isW3C)
	{
		return document.getElementById(name).style;
	}
}

function moveObject(name,x)
{
	var tmpObj=getObject(name);
	if (isIE5 || isW3C)
	{
		tmpObj.left=x+"px";
	}
	else if (isIE4)
	{
		tmpObj.pixelLeft=x;
	}
}