function Forward(dropdown) {
    var index = dropdown.selectedIndex;
    var selValue = dropdown.options[index].value;
    if (selValue != "none") {
      var ptrExit = window.open(selValue, "exit", "", false);
    }
}

function NewWindow(mypage, myname, w, h, scroll) {
  var winl = (screen.width - w) / 2;
  var wint = (screen.height - h) / 2;
  var myname = "new_window";
  winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
  win = window.open(mypage, myname, winprops)
  if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function openTipsWindow(page){
			        width=630;
			        height=792;
			        leftposition=(screen.width)?(screen.width-width)/2:100;
			        topposition=(screen.height)?(screen.height-height)/2:100;
			        window.open(page,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=no,width="+width+",height="+height+",top="+topposition+",left="+leftposition);
}

function openVideoWindow(vidurl) {
    var width=510;
    var height=500;
    var leftposition=(screen.width)?(screen.width-width)/2:100;
    var topposition=(screen.height)?(screen.height-height)/2:100;
    var url="video_popup.aspx?vidurl=" + vidurl;
    // alert(url);
    window.open(url,"","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=no,width="+width+",height="+height+",top="+topposition+",left="+leftposition);
}