function grossanzeige(){
	var xy = document.getElementsByTagName("a");
	for(var i=0;i<xy.length;i++){
		if(xy[i].target == "grossbildfenster")
		{
			xy[i].onclick = function() { window.open('','grossbildfenster','scrollbars=yes,resizable=yes,width=780,height=550').focus(); }
		}
	}
}
if(window.attachEvent)
	window.attachEvent('onload',grossanzeige);
else
	window.addEventListener('load', grossanzeige, true);