jQuery.fn.popupwindow = function(p)
{

  var profiles = p || {};

  return this.each(function(index){
    var settings, parameters, mysettings, b, a;
    
    // for overrideing the default settings
    mysettings = (jQuery(this).attr("rel") || "").split(",");

    
    settings = {
      height:600, // sets the height in pixels of the window.
      width:600, // sets the width in pixels of the window.
      toolbar:0, // determines whether a toolbar (includes the forward and back buttons) is displayed {1 (YES) or 0 (NO)}.
      scrollbars:0, // determines whether scrollbars appear on the window {1 (YES) or 0 (NO)}.
      status:0, // whether a status line appears at the bottom of the window {1 (YES) or 0 (NO)}.
      resizable:1, // whether the window can be resized {1 (YES) or 0 (NO)}. Can also be overloaded using resizable.
      left:0, // left position when the window appears.
      top:0, // top position when the window appears.
      center:0, // should we center the window? {1 (YES) or 0 (NO)}. overrides top and left
      createnew:1, // should we create a new window for each occurance {1 (YES) or 0 (NO)}.
      location:0, // determines whether the address bar is displayed {1 (YES) or 0 (NO)}.
      menubar:0 // determines whether the menu bar is displayed {1 (YES) or 0 (NO)}.
    };

    // if mysettings length is 1 and not a value pair then assume it is a profile declaration
    // and see if the profile settings exists

    if(mysettings.length == 1 && mysettings[0].split(":").length == 1)
    {
      a = mysettings[0];
      // see if a profile has been defined
      if(typeof profiles[a] != "undefined")
      {
        settings = jQuery.extend(settings, profiles[a]);
      }
    }
    else
    {
      // overrides the settings with parameter passed in using the rel tag.
      for(var i=0; i < mysettings.length; i++)
      {
        b = mysettings[i].split(":");
        if(typeof settings[b[0]] != "undefined" && b.length == 2)
        {
          settings[b[0]] = b[1];
        }
      }
    }

    // center the window
    if (settings.center == 1)
    {
      settings.top = (screen.height-(settings.height + 110))/2;
      settings.left = (screen.width-settings.width)/2;
    }
    
    parameters = "location=" + settings.location + ",menubar=" + settings.menubar + ",height=" + settings.height + ",width=" + settings.width + ",toolbar=" + settings.toolbar + ",scrollbars=" + settings.scrollbars  + ",status=" + settings.status + ",resizable=" + settings.resizable + ",left=" + settings.left  + ",screenX=" + settings.left + ",top=" + settings.top  + ",screenY=" + settings.top;
    
    jQuery(this).bind("click", function(){
      var name = settings.createnew ? "PopUpWindow" + index : "PopUpWindow";
      window.open(this.href, name, parameters).focus();
      return false;
    });
  });

};