// Help choose from four UI pseudo-window flavors
function getCurrOSUI()
{
   var ua = navigator.userAgent;

   if(ua.indexOf("Mac") != -1)
   {
      if(ua.indexOf("OS X") != -1 || ua.indexOf("MSIE 5.2") != -1)
         return "macosX";
      else
         return "macos9";
   }
   else if(ua.indexOf("Windows XP") != -1 || ua.indexOf("NT 5.1") != -1)
      return "winxp";
   else if((document.compatMode && document.compatMode != "BackComp") || 
      (navigator.product && navigator.product == "Gecko")) // Win9x and CSS-compatible      
      return "win9x";
   else // default for Windows 9x in quirks mode, Unix/Linux, & unknowns
      return "win9xQ";
}

var currOS = getCurrOSUI();

// Load OS-specific style sheet for pseudo dialog layer
document.write("<link rel='stylesheet' type='text/css' href='dialogLayer_" + currOS + ".css'>");

//******************************
//  BEGIN LAYER DIALOG CODE
//******************************/

// One object tracks the current pseudo-window layer.
var dialogLayer = {layer:null, visible:false};

// Center a positionable element whose name is passed as 
// a parameter in the current window/frame, and show it
function centerOnWindow(elemID)
{
   // 'obj' is the positionable object
   var obj = getRawObject(elemID);
   
   // window scroll factors
   var scrollX = 0, scrollY = 0;
   
   if(document.body && typeof document.body.scrollTop != "undefined")
   {
      scrollX += document.body.scrollLeft;
      scrollY += document.body.scrollTop;
   
      if(document.body.parentNode && 
         typeof document.body.parentNode.scrollTop != "undefined")
      {
         scrollX += document.body.parentNode.scrollLeft;
         scrollY += document.body.parentNode.scrollTop
      }
   }
   else if(typeof window.pageXOffset != "undefined")
   {
      scrollX += window.pageXOffset;
      scrollY += window.pageYOffset;
   }
   
   var x = Math.round((getInsideWindowWidth()/2) - 
      (getObjectWidth(obj)/2)) + scrollX;
   
   var y = Math.round((getInsideWindowHeight()/2) - 
      (getObjectHeight(obj)/2)) + scrollY;
   
   shiftTo(obj, x, y);
}

function initLayerDialog()
{
   //document.getElementById("closebox").src = "images/closeBox_" + currOS + ".jpg";
}

// Close the dialog
function closeme()
{
   top.closeLayerDialog();
}

// Handle click of OK button
function handleOK()
{
   __doPostBack(top.dialogLayer.args, '');
   closeme();
   return false;
}

// Handle click of Cancel button
function handleCancel()
{
   closeme();
   return false;
}

// Set up and display pseudo-window.
// Parameters:
//    url -- URL of the page/frameset to be loaded into iframe
//    returnFunc -- reference to the function(on this page)
//                  that is to act on the data returned from the dialog
//    args -- [optional] any data you need to pass to the dialog
function openLayerDialog(url, title, returnFunc, args)
{
   if(!dialogLayer.visible) 
   {
      // Initialize properties of the modal dialog object.
      dialogLayer.url = url;
      dialogLayer.title = title;
      dialogLayer.returnFunc = returnFunc;
      dialogLayer.args = args;
      dialogLayer.returnedValue = "";
      
      // Load URL
      //document.getElementById("contentFrame").src = url;
      
      // Set title of "window"
      document.getElementById("barTitle").firstChild.nodeValue = title;
      
      // Center "window" in browser window or frame
      dialogLayer.layer = document.getElementById("pseudoWindow");
      dialogLayer.layer.style.visibility = "hidden";
      dialogLayer.layer.style.display = "block";
      
      centerOnWindow(dialogLayer.layer);
      
      // Show it and set visibility flag
      dialogLayer.layer.style.visibility = "visible";
      dialogLayer.visible = true;
   }
   
   return false;
}

function closeLayerDialog()
{
   dialogLayer.layer.style.display = "none";
   dialogLayer.visible = false;
}
//**************************
//  END LAYER DIALOG CODE
//**************************/