
<!--
// Window opener functions  v1.0.6
// documentation: http://www.dithered.com/javascript/window/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)


/*******************************************************************************
       Popup Window openers
*******************************************************************************/

var winReference = null;


// Open a window at a given position on the screen
function openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName) {

       // ie 4.5 and 5.0 mac - windows are 2 pixels too short; if a statusbar is used, the window will be an additional 15 pixels short
       var agent = navigator.userAgent.toLowerCase();
       if (agent.indexOf("mac") != -1 && agent.indexOf("msie") != -1 && (agent.indexOf("msie 4") != -1 || agent.indexOf("msie 5.0") != -1) ) {
               height += (status) ? 17 : 2;
       }

       // Adjust width if scrollbars are used (pc places scrollbars inside the content area; mac outside)
       width += (scrollbars != '' && scrollbars != null && agent.indexOf("mac") == -1) ? 16 : 0;

       var properties = 'width=' + width + ',height=' + height + ',screenX=' + x + ',screenY=' + y + ',left=' + x + ',top=' + y + ((status) ? ',status' : '') + ',scrollbars' + ((scrollbars) ? '' : '=no') + ((moreProperties) ? ',' + moreProperties : '');
       var reference = openWindow(url, name, properties, openerName);

       // resize window in ie if we can resize in ns; very messy
       // commented out because openPositionedWindow() doesn't set the resizable attribute
       // left in for reference
       /*if (resizable && agent.indexOf("msie") != -1) {
               if (agent.indexOf("mac") != -1) {
                       height += (status) ? 15 : 2;
                       if (parseFloat(navigator.appVersion) > 5) width -= 11;
               }
               else {
                       height += (status) ? 49 : 31;
                       width += 13;
               }
               setTimeout('if (reference != null && !reference.closed) reference.resizeTo(' + width + ',' + height + ');', 150);
       }*/

       return reference;
}


// Open a window at the center of the screen
function openCenteredWindow(url, name, width, height, status, scrollbars, moreProperties, openerName) {

       var x, y = 0;
       if (screen) {
     x = (screen.availWidth - width) / 2;
          y = (screen.availHeight - height) / 2;
  }
       if (!status) status = '';
       if (!openerName) openerName = '';
       var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);
       return reference;
}


// Open a window at the center of the parent window
function openCenteredOnOpenerWindow(url, name, width, height, status, scrollbars, moreProperties, openerName) {
       var centerX = 0;
  var centerY = 0;
  if (window.screenX != null && window.outerWidth) {
     centerX = window.screenX + (window.outerWidth / 2);
     centerY = window.screenY + (window.outerHeight / 2);
  }
  else if (window.screenLeft) {
     if (document.documentElement) {
        centerX = window.screenLeft + (document.documentElement.offsetWidth / 2);
        centerY = window.screenTop + (document.documentElement.offsetHeight / 2);
     }
     else if (document.body && document.body.offsetWidth) {
        centerX = window.screenLeft + (document.body.offsetWidth / 2);
        centerY = window.screenTop + (document.body.offsetHeight / 2);
     }
  }

  if (centerX == 0) {
     openCenteredWindow(url, name, width, height, status, scrollbars, moreProperties, openerName);
  }
  var x = parseInt(centerX - (width / 2));
  var y = parseInt(centerY - (height / 2));
       if (!status) status = '';
       if (!openerName) openerName = '';
       var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);
       return reference;
}


// Open a full-screen window (different from IE's fullscreen option)
function openMaxedWindow(url, name, scrollbars, openerName) {
       var x, y = 0;
       var width  = 600;
       var height = 800;
       if (screen) {
     if (screen.availLeft) {
        x = screen.availLeft;
        y = screen.availTop;
     }
     width  = screen.availWidth - 6;
          height = screen.availHeight - 29;
  }
       var reference = openPositionedWindow(url, name, width, height, x, y, false, scrollbars, openerName);
       return reference;
}


// Open a full-chrome (all GUI elements) window
// This is like using a target="_blank" in a normal link but allows focussing the window
function openFullChromeWindow(url, name, openerName) {
       return openWindow(url, name, 'directories,location,menubar,resizable,scrollbars,status,toolbar');
}


// Open a sized full-chrome (all GUI elements) window
function openSizedFullChromeWindow(url, name, width, height, openerName) {
       return openCenteredWindow(url, name, width, height, true, true, 'directories,location,menubar,resizable,toolbar', openerName)
}


// Core utility function that actually creates the window and gives focus to it
function openWindow(url, name, properties, openerName) {

       // ie4.x pc can't give focus to windows containing documents from a different domain
       // in this case, initially load a local interstisial page to allow focussing before loading final url
       var agent = navigator.userAgent.toLowerCase();
       if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) == 4 && agent.indexOf("msie 5") == -1 && agent.indexOf("msie5") == -1 && agent.indexOf("win") != -1 && url.indexOf('http://') == 0) {
               winReference = window.open('about:blank', name, properties);

               setTimeout('if (winReference && !winReference.closed) winReference.location.replace("' + url + '")', 300);
       }
       else {
               winReference = window.open(url, name, properties);
       }

       // ie doesn't like giving focus immediately (to new window in 4.5 on mac; to existing ones in 5 on pc)
       setTimeout('if (winReference && !winReference.closed) winReference.focus()', 200);

       if (openerName) self.name = openerName;
       return winReference;
}


/*******************************************************************************
       Modal Dialog controls
*******************************************************************************/

// Close a dialog
// Call from onunload event handler of any page that can create a dialog
function closeDialog(dialog) {
       if (dialog && dialog.closed != true) dialog.close();
}


// Close parent popup
// Call from onload event handler of any page that could be created from a dialog
function closeParentDialog() {
       if (top.opener && isWindowPopup(top.opener)) {
               root = top.opener.top.opener;
               top.opener.close();
               top.opener = root;
       }
}


// Check if a window is a popup
function isWindowPopup(win) {
       return ((win.opener) ? true : false);
}

//-->
