var we_win = null;

function winOpen(URL){
	var winOpts = ' ';
	winOpts += (winOpts ? ',' : '')+'width=600'; 
	winOpts += (winOpts ? ',' : '')+'height=600';
	winOpts += (winOpts ? ',' : '')+'status=no';
	winOpts += (winOpts ? ',' : '')+'toolbar=no';
	winOpts += (winOpts ? ',' : '')+'scrollbars=yes';
	winOpts += (winOpts ? ',' : '')+'menubar=no';
	winOpts += (winOpts ? ',' : '')+'resizable=yes';
	winOpts += (winOpts ? ',' : '')+'location=no';
	var we_win = window.open(URL, 'Fenstername',winOpts);
}