/**
 * SUBMODAL v1.5
 * Used for displaying DHTML only popups instead of using buggy modal windows.
 *
 * By Seth Banks
 * http://www.subimage.com/
 *
 * Contributions by:
 *   Eric Angel - tab index code
 *   Scott - hiding/showing selects for IE users
 *  Todd Huss - inserting modal dynamically and anchor classes
 *
 * Up to date code can be found at http://www.subimage.com/dhtml/subModal
 *
 *
 * This code is free for you to use anywhere, just keep this comment block.
 */

// Popup code
var gPopupMask = null;
var gPopupContainer = null;
var gPopFrame = null;
var gReturnFunc;
var gPopupIsShown = false;
var gDefaultPage = "/includes/javascript/ewm_modal_window/loading.html";
var gHideSelects = false;
var gReturnVal = null;

var gTabIndexes = new Array();
// Pre-defined list of tags we want to disable/enable tabbing into
var gTabbableTags = new Array("A","BUTTON","TEXTAREA","INPUT","IFRAME");

// If using Mozilla or Firefox, use Tab-key trap.
if (!document.all) {
  document.onkeypress = keyDownHandler;
}



/**
 * Initializes popup code on load.
 */
var popup_initalized = false;
function initPopUp() {
  // Add the HTML to the body
  if(popup_initalized) return;
  popup_initalized=true;

  theBody = document.getElementsByTagName('BODY')[0];
  popmask = document.createElement('div');
  popmask.style.display='none';
  popmask.id = 'popupMask';
  popcont = document.createElement('div'); 
  popcont.id = 'popupContainer';
  popcont.style.display='none';
  popcont.innerHTML = '' +
    '<script>try { document.execCommand("BackgroundImageCache", false, true); } catch(err) {}</script>'+
    '<div id="popupInner"><a name="top_tag" id="top_tag"></a>' +
      '<table width="100%" cellpadding="0" cellspacing="0" border="0" style="padding:0; margin:0;">' +
        '<tr id="popupTitleBar"  height="60">' +
          '<td id="overlay_top_left"  width="35">&nbsp;</td>' +
          '<td id="overlay_top_title" rowspan="2" align="left" nowrap valign="top" ><div id="popupTitle"></div></td>' +
          '<td id="overlay_top_title" rowspan="2" align="right" nowrap valign="top" width="230"><img src="/includes/javascript/ewm_modal_window/blank.gif" onclick="document.frames(\'popupFrame\').focus(); document.frames(\'popupFrame\').print(); return false;"  id="popPrintBox" /><img  src="/includes/javascript/ewm_modal_window/blank.gif" onclick="hidePopWin(false);" id="popCloseBox" /></td>' +
          '<td id="overlay_top_right" width="35" >&nbsp;</td>' +
        '</tr>' +
        '<tr>' +
          '<td id="overlay_side_left" width="35">&nbsp;</td>' +
          '<td id="overlay_side_right" width="35">&nbsp;</td>' +
        '</tr>' +
        '<tr id="overlay_content_row">' +
          '<td id="overlay_side_left" width="35">&nbsp;</td>' +
          '<td id="overlay_center" colspan="2" valign="top"><div id="overlay_iframe_div"> <iframe src="'+ gDefaultPage +'" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame"></iframe></div></td>' +
          '<td id="overlay_side_right" width="35">&nbsp;</td>' +
        '</tr>' +
        '<tr>' +
          '<td id="overlay_bottom_left" width="35" height="36">&nbsp;</td>' +
          '<td id="overlay_bottom_center" colspan="2">&nbsp;</td>' +
          '<td id="overlay_bottom_right" width="35">&nbsp;</td>' +
        '</tr>' +
      '</table>' +
    '</div>';






  /*

    '<div id="popupInner">' +
      '<div id="popupTitleBar">' +
        '<div id="popupTitle"></div>' +
        '<div id="popupControls">' +
          '<img src="/includes/javascript/ewm_modal_window/close.gif" onclick="hidePopWin(false);" id="popCloseBox" />' +
        '</div>' +
      '</div>' +
      '<div id="popupContent" style="text-align:center;">' +
        '<iframe src="'+ gDefaultPage +'" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%"></iframe>' +
      '</div>' +
    '</div>';*/
  theBody.appendChild(popmask);
  theBody.appendChild(popcont);

  gPopupMask = $("popupMask");
  gPopupContainer = $("popupContainer");
  gPopFrame = $("popupFrame");
  gPopFrameDiv = $("overlay_iframe_div");

  // check to see if this is IE version 6 or lower. hide select boxes if so
  // maybe they'll fix this in version 7?
  var brsVersion = parseInt(window.navigator.appVersion.charAt(0), 10);
  if (brsVersion <= 6 && window.navigator.userAgent.indexOf("MSIE") > -1) {
    gHideSelects = true;
  }

  // Add onclick handlers to 'a' elements of class submodal or submodal-width-height
  var elms = document.getElementsByTagName('a');
  for (i = 0; i < elms.length; i++) {
    if (elms[i].className.indexOf("submodal") == 0) {
      // var onclick = 'function (){showPopWin(\''+elms[i].href+'\','+width+', '+height+', null);return false;};';
      // elms[i].onclick = eval(onclick);
      elms[i].onclick = function(){
        // default width and height
        var width = 400;
        var height = 200;
        // Parse out optional width and height from className
        params = this.className.split('-');
        if (params.length == 3) {
          width = parseInt(params[1]);
          height = parseInt(params[2]);
        }
        showPopWin(this.href,width,height,null); return false;
      }
    }
  }
}
addEvent(window, "load", initPopUp);

 /**
  * @argument width - int in pixels
  * @argument height - int in pixels
  * @argument url - url to display
  * @argument returnFunc - function to call when returning true from the window.
  * @argument showCloseBox - show the close box - default true
  */

var wl_url='';
var wl_width='';
var wl_height='';
var wl_returnFunc='';
var wl_showCloseBox='';
var wl_title='';

function waiting_to_load()
{
	showPopWin(wl_url, wl_width, wl_height, wl_returnFunc, wl_showCloseBox, wl_title)
}

function showPopWin(url, width, height, returnFunc, showCloseBox, title) {
gDefaultPage = url
try
{
	$("popupTitle").innerHTML=title;
}
catch(err)
{
	wl_url=url;
	wl_width=width;
	wl_height=height;
	wl_returnFunc=returnFunc;
	wl_showCloseBox=showCloseBox;
	wl_title=title;

	setTimeout('waiting_to_load();', 1000)
	return;
}


// show or hide the window close widget
	/*
	if (showCloseBox == null || showCloseBox == true) {
    $("popCloseBox").style.display = "";
  } else {
    $("popCloseBox").style.display = "none";
  }
	*/

  
  gPopupIsShown = true;
  disableTabIndexes();

  gPopupMask.style.display = "block";
  //gPopupContainer.style.visibility = "hidden";
  //Effect.Appear('popupMask',{duration:0.0,from:0.0,to:0.5 });
  gPopupContainer.style.display = "block";

  gPopFrameDiv.style.height = (height-80) + "px";
  $("overlay_content_row").style.height = (height-100) + "px";
  centerPopWin(width, height);

  var titleBarHeight = parseInt($("popupTitleBar").offsetHeight, 10);


  gPopupContainer.style.width = width + "px";
  gPopupContainer.style.height = (height+titleBarHeight) + "px";

  setMaskSize();

  // need to set the width of the iframe to the title bar width because of the dropshadow
  // some oddness was occuring and causing the frame to poke outside the border in IE6
  gPopFrame.style.width = (parseInt($("popupTitleBar").offsetWidth, 10)-37) + "px";
  gPopFrame.style.height = (height-80) + "px";


  // set the url
  gPopFrame.src = url;

  gReturnFunc = returnFunc;
  // for IE
  if (gHideSelects == true) {
    hideSelectBoxes();
  }

  //Effect.Fade('popupContainer',{duration:0.0});
  //gPopupContainer.style.display = "block";

  window.setTimeout("setPopTitle();", 600);

//  gPopupContainer.style.display = "none";
//  gPopupContainer.style.visibility = "visible";



//  Effect.Appear('popupContainer',{duration:0.5 });
}

function show_next()
{

}


function finish_show()
{

  // calculate where to place the window on screen

}

//
var gi = 0;
function centerPopWin(width, height) {
  if (gPopupIsShown == true) {
    if (width == null || isNaN(width)) {
      width = gPopupContainer.offsetWidth;
    }
    if (height == null) {
      height = gPopupContainer.offsetHeight;
    }

    //var theBody = document.documentElement;
    var theBody = document.getElementsByTagName("BODY")[0];
    //theBody.style.overflow = "hidden";
    var scTop = parseInt(getScrollTop(),10);
    var scLeft = parseInt(theBody.scrollLeft,10);

    setMaskSize();

    //window.status = gPopupMask.style.top + " " + gPopupMask.style.left + " " + gi++;

    var titleBarHeight = parseInt($("popupTitleBar").offsetHeight, 10);

    var fullHeight = getViewportHeight();
    var fullWidth = getViewportWidth();

    var tmptop = (scTop + ((fullHeight - (height+titleBarHeight)) / 2));
    var tmpleft =  (scLeft + ((fullWidth - width) / 2));

    if(tmptop<scTop) tmptop=scTop;
    if(tmpleft<scLeft) tmpleft=scLeft;

    gPopupContainer.style.top = tmptop+"px";
    gPopupContainer.style.left = tmpleft + "px"


    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])

    if ((version >= 5.5) && (document.body.filters) && false)
    {
       for(var i=0; i<document.images.length; i++)
       {
          var img = document.images[i]
          var imgName = img.src.toUpperCase()
          if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
          {
             var imgID = (img.id) ? "id='" + img.id + "' " : ""
             var imgClass = (img.className) ? "class='" + img.className + "' " : ""
             var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
             var imgStyle = "display:inline-block;" + img.style.cssText
             if (img.align == "left") imgStyle = "float:left;" + imgStyle
             if (img.align == "right") imgStyle = "float:right;" + imgStyle
             if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
             var strNewHTML = "<span " + imgID + imgClass + imgTitle
             + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
             + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
             + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
             img.outerHTML = strNewHTML
             i = i-1
          }
       }
    }

    //alert(fullWidth + " " + width + " " + gPopupContainer.style.left);
  }
}
addEvent(window, "resize", centerPopWin);
//addEvent(window, "scroll", centerPopWin);
//window.onscroll = centerPopWin;


/**
 * Sets the size of the popup mask.
 *
 */
function setMaskSize() {
  var theBody = document.getElementsByTagName("BODY")[0];

  var fullHeight = getViewportHeight();
  var fullWidth = getViewportWidth();

  // Determine what's bigger, scrollHeight or fullHeight / width
  if (fullHeight > theBody.scrollHeight) {
    popHeight = fullHeight;
  } else {
    popHeight = theBody.scrollHeight;
  }

  if (fullWidth > theBody.scrollWidth) {
    popWidth = fullWidth;
  } else {
    popWidth = theBody.scrollWidth;
  }

  gPopupMask.style.height = popHeight + "px";
  gPopupMask.style.width = popWidth + "px";
}

/**
 * @argument callReturnFunc - bool - determines if we call the return function specified
 * @argument returnVal - anything - return value
 */
function hidePopWin(callReturnFunc) {
  gPopupIsShown = false;
  var theBody = document.getElementsByTagName("BODY")[0];
  theBody.style.overflow = "";
  restoreTabIndexes();
  if (gPopupMask == null) {
    return;
  }
  gPopupMask.style.display = "none";
  gPopupContainer.style.display = "none";
  if (callReturnFunc == true && gReturnFunc != null) {
    // Set the return code to run in a timeout.
    // Was having issues using with an Ajax.Request();
    gReturnVal = window.frames["popupFrame"].returnVal;
    window.setTimeout('gReturnFunc(gReturnVal);', 1);
  }
  gPopFrame.src = gDefaultPage;
  // display all select boxes
  if (gHideSelects == true) {
    displaySelectBoxes();
  }
}

/**
 * Sets the popup title based on the title of the html document it contains.
 * Uses a timeout to keep checking until the title is valid.
 */
function setPopTitle() {
  return;
  if (window.frames["popupFrame"].document.title == null) {
    window.setTimeout("setPopTitle();", 10);
  } else {
    $("popupTitle").innerHTML = window.frames["popupFrame"].document.title;
  }
}

// Tab key trap. iff popup is shown and key was [TAB], suppress it.
// @argument e - event - keyboard event that caused this function to be called.
function keyDownHandler(e) {
    if (gPopupIsShown && e.keyCode == 9)  return false;
}

// For IE.  Go through predefined tags and disable tabbing into them.
function disableTabIndexes() {
  if (document.all) {
    var i = 0;
    for (var j = 0; j < gTabbableTags.length; j++) {
      var tagElements = document.getElementsByTagName(gTabbableTags[j]);
      for (var k = 0 ; k < tagElements.length; k++) {
        gTabIndexes[i] = tagElements[k].tabIndex;
        tagElements[k].tabIndex="-1";
        i++;
      }
    }
  }
}

// For IE. Restore tab-indexes.
function restoreTabIndexes() {
  if (document.all) {
    var i = 0;
    for (var j = 0; j < gTabbableTags.length; j++) {
      var tagElements = document.getElementsByTagName(gTabbableTags[j]);
      for (var k = 0 ; k < tagElements.length; k++) {
        tagElements[k].tabIndex = gTabIndexes[i];
        tagElements[k].tabEnabled = true;
        i++;
      }
    }
  }
}


/**
* Hides all drop down form select boxes on the screen so they do not appear above the mask layer.
* IE has a problem with wanted select form tags to always be the topmost z-index or layer
*
* Thanks for the code Scott!
*/
function hideSelectBoxes() {
  for(var i = 0; i < document.forms.length; i++) {
    for(var e = 0; e < document.forms[i].length; e++){
      if(document.forms[i].elements[e].tagName == "SELECT") {
        document.forms[i].elements[e].style.visibility="hidden";
      }
    }
  }
}

/**
* Makes all drop down form select boxes on the screen visible so they do not reappear after the dialog is closed.
* IE has a problem with wanted select form tags to always be the topmost z-index or layer
*/
function displaySelectBoxes() {
  for(var i = 0; i < document.forms.length; i++) {
    for(var e = 0; e < document.forms[i].length; e++){
      if(document.forms[i].elements[e].tagName == "SELECT") {
      document.forms[i].elements[e].style.visibility="visible";
      }
    }
  }
}