function AddBookmark(title, url)
{
    if(document.all)
        window.external.AddFavorite(url, title);
    else if(window.sidebar)
        window.sidebar.addPanel(title, url, ''); //FF
    else if(window.opera && window.print)
        return true;
}

function CloseGraph()
{
    var graphWindow = document.getElementById('GraphWindow');
    graphWindow.style.visibility = 'hidden'; 
}

function ShowGraph(title, data)
{
    var graphWindow = document.getElementById('GraphWindow');
    var graphFigTitle = document.getElementById('GraphFigTitle');
    graphFigTitle.innerHTML = title;
    
	var scrollY = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
	var scrollX = document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft;
	
	var winHeight = self.innerHeight ? self.innerHeight : document.documentElement.clientHeight;
	var winWidth = self.innerWidth ? self.innerWidth : document.documentElement.clientWidth;
	
	var posY = scrollY + ( (winHeight/2) - (graphWindow.clientHeight/2) );
	var posX = scrollX + ( (winWidth/2) - (graphWindow.clientWidth/2) );
			
	//if the calculation ends up showing the box outside the view 
	//(negative values) or failure at calculation, show it at the scroll position
	posY = posY > 0 ? posY : scrollY;
	posX = posX > 0 ? posX : scrollX;
	
	//center the box
	graphWindow.style.top = posY + 'px'; 
	graphWindow.style.left = posX + 'px'; 
	
    var graphImage = document.getElementById('GraphImage');
    
    graphImage.src = "/Page/Render/ChartImage.aspx?q=" + data + "&rnd=" + Math.floor(Math.random()*5000);
    graphImage.alt = title;

    graphWindow.style.visibility = 'visible';
}


//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************
function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}