var winPrev = null;

function openchecklistdesigner(url, xsize, ysize) {
   if (winPrev != null && !winPrev.closed) winPrev.close();
   winPrev = this.open(url, "", "width=" + xsize + ",height=" + ysize + ",scrollbars=no,toolbar=no,status=no,location=no,hotkeys=no,resizable=no,menubar=no");
}

function opendesignerwindow(name, xsize, ysize) {
   if (winPrev != null && !winPrev.closed) winPrev.close();
   winPrev = this.open(name, "", "toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,copyhistory=0,width=" + xsize + ",height=" + ysize);
}

function opendesignerwindowNoBars(name, xsize, ysize) {
   if (winPrev != null && !winPrev.closed) winPrev.close();
   winPrev = this.open(name, "", "toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=0,resizable=0,copyhistory=0,width=" + xsize + ",height=" + ysize);
}

function opennormalwindow(name, xsize, ysize) {
   if (winPrev != null && !winPrev.closed) winPrev.close();
   winPrev = this.open(name, "", "toolbar=1,location=1,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,copyhistory=0,width=" + xsize + ",height=" + ysize);
}