function openNetz()	{
 	var win=window.open("http://www.factorizer.com/netz/index.html","win","width=809,height=613,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=0,status=0,toolbar=0");
	win.focus();
}

function openWin(url, width)	{
 	var win2=window.open(url,"win2","width="+width+",height=400,directories=0,fullscreen=1,location=0,menubar=0,resizable=1,scrollbars=0,status=0,toolbar=0");
	win2.focus();
}

function showAddComment(id) {
	var obj = document.getElementById(id);
	if(obj.style.display=="none") {
		obj.style.display="block";
	}
	else {
		obj.style.display="none";
	}
}