function openPage(page,w,h) {
var winl = (screen.width - w) /2;
var wint = (screen.height - h) /2;

OpenWin = this.open(page, "CtrlWindow","width="+w+",height="+h+"top="+wint+",left="+winl+",toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no");
}

///////

function chgImage ()  {
        return;
}