/**
 * 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 = "";
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;
}

var oldPosX;
var oldPosY;


var cursorOffsetX;
var cursorOffsetY;

var isSubmodalDrag = false;
var isSubmodalMove= false;


function maskDisplayFrame()
{

    var d = document.createElement("div");
     d.id = "divMask";
     d.className = "popupMask";
     d.style.position = 'absolute';
     d.style.top = '28px';
     
     d.style.height = parseInt(gPopupContainer.style.height) 
     d.style.width = parseInt(gPopupContainer.style.width)
    
     d.style.zIndex = "9999";
     
   
    document.getElementById('popupInner').appendChild(d);

}

function unmaskDisplayFrame()
{
    var oMask = document.getElementById('divMask');
    
    if (oMask != null)
    {
        document.getElementById('popupInner').removeChild(oMask);
    }
}




function imgResizeMouseDown(e)
{  

    oldPosX = e.clientX;
    oldPosY = e.clientY;
    
    isSubmodalDrag = true;   

     maskDisplayFrame();
}



function popupInnerMouseDown(e)
{

    isSubmodalMove= true; 

    
    oldPosX = e.clientX;
    oldPosY = e.clientY;
    
    cursorOffsetY =  parseInt(gPopupContainer.style.top) - oldPosY
    cursorOffsetX =  parseInt(gPopupContainer.style.left) - oldPosX
 
    maskDisplayFrame();
  
    document.body.style.cursor = "move";
}





// works well for IE
function popupInnerDrag(e)
{
     if (isSubmodalMove == true)
     {
        
        var diffX = e.clientX - oldPosX;
        var diffY = e.clientY - oldPosY;
        
        oldPosX = e.clientX ;
        oldPosY = e.clientY;
        
        gPopupContainer.style.top =  e.clientY + cursorOffsetY;
        gPopupContainer.style.left = e.clientX +  cursorOffsetX;
        
        
     }
}



function imgResizeMouseOut(e)
{
   if (document.all) return;
}

function imgResizeMouseUp(e)
{
  isSubmodalDrag = false;
  
  unmaskDisplayFrame()
}

var oMouseUp = document.onmouseup;
function extendMouseUp(event)
{
    try{oMouseUp(); } catch(e){}
    isSubmodalDrag = false;
    isSubmodalMove = false;
    
    if ( document.getElementById('popupFrame') != null)
    {
    
      document.getElementById('popupFrame').style.visibility = "visible";
    
    }
    document.body.style.cursor = "";
    
    unmaskDisplayFrame();
}

 document.onmouseup = extendMouseUp;


function imgResizeMouseMove(e)
{

    if (document.all){return}
    if (isSubmodalDrag == true)
    {
    

        var diffX = e.clientX - oldPosX;
        var diffY = e.clientY - oldPosY;
        
        oldPosX = e.clientX ;
        oldPosY = e.clientY;
        
        gPopupContainer.style.width = parseInt(gPopupContainer.style.width) + diffX  + "px";
        gPopupContainer.style.height = parseInt(gPopupContainer.style.height) + diffY  + "px";    
    	
	    // 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(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
        gPopFrame.style.height = parseInt(gPopFrame.style.height) + diffY  + "px";
    }

}


var oMouseMove = document.onmousemove;
function extendMouseMoveFF(e)
{

   imgResizeMouseMove(e);
   popupInnerDrag(e);

}


function extendMouseMove()
{
   try{oMouseMove(); } catch(e){}
    
   popupInnerDrag(event);

   imgResizeMouseMove(event);

    
}



if (window.addEventListener != null)
{
	// add drag and drop support for firefox
		window.addEventListener("mousemove", extendMouseMoveFF, false);
}
else
{
        document.onmousemove = extendMouseMove;

}


var oMouseOut = document.onmouseout;
function extendMouseOut(event)
{
    try{oMouseOut(); } catch(e){}
    imgResizeMouseOut(event)
}

if (!document.all)
{
   document.onmouseout = extendMouseOut;
}


function cancelevent()
{
    window.event.returnValue = false;
} 





// works well for IE
function imgResizeDrag()
{
     try
     {   
        
        var diffX = event.clientX - oldPosX;
        var diffY = event.clientY - oldPosY;
        
        oldPosX = event.clientX ;
        oldPosY = event.clientY;
        
        gPopupContainer.style.width = parseInt(gPopupContainer.style.width) + diffX  + "px";
        gPopupContainer.style.height = parseInt(gPopupContainer.style.height) + diffY  + "px";    
    	
	    // 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(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
        gPopFrame.style.height = parseInt(gPopFrame.style.height) + diffY  + "px";
     }
     catch(e){}   
}


if (window.addEventListener != null)
{
	window.addEventListener("draggesture", dragAbort, false);
}

// *************************************************************
// ****** Firefox implementation of drag and drop functionality
//
//

function dragAbort(event)
{
    event.preventDefault();
}



function fframeresize(e)
{
 
    var curWIdth = gPopupContainer.style.width.replace("px","");
    
    curWIdth = parseInt(curWIdth) + 1;
    
    gPopupContainer.style.width = curWIdth  + "px";
        
	// 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(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
        
}


/**
 * Initializes popup code on load.	
 */
function initPopUp() {

	// Add the HTML to the body
	theBody = document.getElementsByTagName('BODY')[0];
	popmask = document.createElement('div');
	popmask.id = 'popupMask';
	popcont = document.createElement('div');
	popcont.id = 'popupContainer';
	popcont.innerHTML = '' +
		'<div id="popupInner" name="popupInner" >' +
			'<div id="popupTitleBar" ondragstart="cancelevent()" onmousedown="popupInnerMouseDown(event)"  >' +
				'<div id="popupTitle"></div>' +
				'<div id="popupControls" >' +
					'<img  src="images/close.gif" onclick="top.closeSubModal(false);" id="popCloseBox" />' +
				'</div>' +
			'</div>' +
			'<iframe  src="'+ gDefaultPage +'" style="width:100%;height:100%;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" ><div style="width:110%; height:110%; background-color:red"></div></iframe>' +
		    '<div valign="botton" align="right" id="popupFooterBar"><img   ondrag="imgResizeDrag()" ondragleave="event.returnValue=false;" ondraggesture="return false"  style="cursor:se-resize;" src="images/bottom_right.gif"  onmousedown="imgResizeMouseDown(event)" title="resize"/></div>' +
		'</div>';
	theBody.appendChild(popmask);
	theBody.appendChild(popcont);
	

	gPopupMask = document.getElementById("popupMask");

	
	gPopupContainer = document.getElementById("popupContainer");
	gPopFrame = document.getElementById("popupFrame");	
	
	// 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;
			}
		}
	}
	
	try
	{
	    inputPopupFunctions();
	}
	catch(e){}
}
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
	*/

function showPopWin(url, width, height, returnFunc, showCloseBox, showHeaderFooter) {
	// show or hide the window close widget
	if (showCloseBox == null || showCloseBox == true) {
		document.getElementById("popCloseBox").style.display = "block";
		
		
	} else {
		document.getElementById("popCloseBox").style.display = "none";
    
	}
	
	if (showHeaderFooter == null || showHeaderFooter == true) {
	    document.getElementById("popupFooterBar").style.visibility = "visible";
    	document.getElementById("popupTitleBar").style.visibility = "visible";
	
	} else {
	
		document.getElementById("popupFooterBar").style.visibility = "hidden";
    	document.getElementById("popupTitleBar").style.visibility = "hidden";
	}
	gPopupIsShown = true;
	disableTabIndexes();
	gPopupMask.style.display = "block";
	gPopupContainer.style.display = "block";
	// calculate where to place the window on screen
	centerPopWin(width, height);
	
	var titleBarHeight = parseInt(document.getElementById("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(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
	gPopFrame.style.height = (height) + "px";
	
	// set the url
	gPopFrame.src = url;
	
	gReturnFunc = returnFunc;
	// for IE
	if (gHideSelects == true) {
		hideSelectBoxes();
	}
	
	window.setTimeout("setPopTitle();", 600);
}

//
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(document.getElementById("popupTitleBar").offsetHeight, 10);
		
		var fullHeight = getViewportHeight();
		var fullWidth = getViewportWidth();
		
		gPopupContainer.style.top = (scTop + ((fullHeight - (height+titleBarHeight)) / 2)) + "px";
		gPopupContainer.style.left =  (scLeft + ((fullWidth - width) / 2)) + "px";
		//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 {
		document.getElementById("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";
			}
		}
	}
}


	
function openLightBox(url, width, height, dName2, showCloseBox, showHeaderFooter)
{

  
  
    var arrUL = document.getElementsByTagName('LI');    
    for (i = 0; i < arrUL.length; i++)
    {
        if(arrUL[i].className !="leftDropdownMenu" &&
            arrUL[i].className !="submainDropdownMenu")
        {
            arrUL[i].setAttribute("isHideByLightbox","true")
            arrUL[i].style.display="none";
       }
       
    }

    openSubModal(url,width, height, showCloseBox,  showHeaderFooter)
}
	
	

function openSubModal(url, width, height, showCloseBox, showHeaderFooter)
{

    showPopWin(url,width, height, null, showCloseBox, showHeaderFooter);
}

function closeSubModal()
{
    window.top.hidePopWin();
    var arrUL = document.getElementsByTagName('LI');    
        for (i = 0; i < arrUL.length; i++)
        {
            if (arrUL[i].getAttribute("isHideByLightbox") != null
                    && arrUL[i].getAttribute("isHideByLightbox") == "true")
            {
                arrUL[i].style.display="inline";
            }
        }
}


addEvent(window, "load", initSessionCheck);