function C2Cpopup()
   {
    var horizontalOffset, verticalOffset, offsetAmount, windowToReturn, closethiswindow, url, name, width, height;

    url = location.protocol.toLowerCase() + '//c2c01.ulterius.net/c2c/968ae70768bd436daf208cbd396be487/call';
    name = '';
    height = 450;
    width = 700;

    offsetAmount = 30;

    if (width == -1)
       {
        if ((screen.Height >= 0) && (screen.Width >= 0))
           {
            width = screen.Width - 10;
           }
        else if ((screen.availHeight >= 0) && (screen.availWidth >= 0))
           {
            width = screen.availWidth - 10;
           }
       }    

    if (height == -1)
       {
        if ((screen.Height >= 0) && (screen.Width >= 0))
           {
            height = screen.Height - 75;
           }
        else if ((screen.availHeight >= 0) && (screen.availWidth >= 0))
           {
            height = screen.availHeight - 45;
           }
       }

    if (navigator.appName == "Microsoft Internet Explorer")
       {
        horizontalOffset = window.screenLeft + offsetAmount;
        verticalOffset = window.screenTop + offsetAmount;
       }
     else
       {
        horizontalOffset = window.screenX + offsetAmount;
        verticalOffset = window.screenY + offsetAmount;
       }

    if (horizontalOffset + width > screen.availWidth || verticalOffset + height > screen.availHeight)
       {
        horizontalOffset = 0;
        verticalOffset = 0;
       }

    window.open(url, name, "toolbar=0,location=0,directories=0,status=yes,menubar=no,scrollbars=1,resizable=yes,screenX=" + horizontalOffset + ",screenY=" + verticalOffset + ",left=" + horizontalOffset + ",top=" + verticalOffset + ",width=" + width + ",height=" + height);
   }