function popup(win_url,win_name,win_toolbar,win_width,win_height){
	var win_data = "toolbar=" + win_toolbar + ",location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=" + win_width + ",height=" + win_height;
	nw = window.open(win_url,win_name,win_data);
}