function openBrowserWindow(link,wd,hd){
	wWidth = wd;
	wHeight = hd;
	leftVal = (screen.width - wWidth) / 2; 
	topVal = (screen.height - wHeight) / 2;
	window.open(link,'zettels','width='+wWidth+',height='+wHeight+',left='+leftVal+',top='+topVal+',location=no,menubar=no,resizable=no,scrollbars=yes,status=no,toolbar=no');
}

function nofunc() {
}