//Funktion Fragt die History des Browsers ab (Backbutton)
//<a href="javascript:onClick=back(-1)">

function back(a) 
     {
      history.go(a);      
      }
	  
//zoom//	  

function showZoom(url) {
msg=open(url,"NextWindow","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=550,height=400, top=100, left=210");
}

function showZoom_fh(url) {
msg=open(url,"NextWindow","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=300,height=400, top=100, left=210");
}

function showZoom_luft(url) {
msg=open(url,"NextWindow","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=430,height=400, top=100, left=210");
}

function showZoom_atuer(url) {
msg=open(url,"NextWindow","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=750,height=500, top=100, left=210");
}

function showBild(url) {
msg=open(url,"NextWindow","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=600,height=400,left=210");
}

function showBildIndex(url) {
msg=open(url,"NextWindow","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=400,height=577,left=210");
}


//zoom aus//

function aus()
{
parent.window.close()
}

//animiertes GIF einbinden
//<a href="javascript:;" onmouseover="example.src='on.gif'" onmouseout="example.src='off.gif'"></a> 


//preload=new Image();
//preload.src="on.gif";