/**
 * POPUP WINDOW CODE v1.1
 * Used for displaying DHTML only popups instead of using buggy modal windows.
 *
 * By Seth Banks (webmaster at subimage dot com)
 * http://www.subimage.com/
 *
 * Contributions by Eric Angel (tab index code) and Scott (hiding/showing selects for IE users)
 *
 * 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 gPopupInner = null;
var gPopupHelpInner = null;
var gPopFrame = null;
var gPopHelpFrame = null;
var gReturnFunc;
var gReturnArg;
var gRequiresValidation = false;
var gPopupIsShown = false;
var subModalShowCloseAndUpdate = false;
var gHideSelects = false;
var showPopUpControl = true;
var gpopUpHelp = "";


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.	
 */
function initPopUp() {
	body = document.getElementsByTagName('body')[0];
	popmask = document.createElement('div');
	popmask.id = 'popupMask';

	popcont = document.createElement('div');
	popcont.id = 'popupContainer';
    popcont.innerHTML = getPopContHTML(subModalShowCloseAndUpdate)
	popcont.appendChild(getHelpDiv());
	body.appendChild(popmask);
	body.appendChild(popcont);
	
    AssociateGlobalVars();
	
	// 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;
			}
		}
	}
}
//window.onload = initPopUp;

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.
	*/
	
function getHelpDiv()
{
	popHelp = document.createElement('div');
	
	popHelp.id = 'popupHelpContainer';
	popHelp.innerHTML = '' +
		'<div id="popupHelpInner" class="popupInner">' +
		'<div id="popupHelpTitleBar" class="popupTitleBar">' +
		    '<div id="popupHelpTitle" class="popupTitle"></div>' +
		    '<div id="popupHelpControls" class="popupControls">' +
		        '<input type="button" class="button" style="cursor:pointer" value="Print" onclick="document.popupHelpFrame.focus();document.popupHelpFrame.print();">&nbsp;<input type="button" class="button" style="cursor:pointer" value="Close" onclick="hidePopWin(false);">' +
		    '</div>' +
		'</div>' +
			'<IFRAME src="loading.html" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupHelpFrame" name="popupHelpFrame" width="100%" height="100%"></IFRAME>' +
		'</div>';
		return popHelp;
}	
	
function getPopContHTML(parameter)
{
    var returnHTMLValue = ""
	if (parameter == "true")
	{
	returnHTMLValue =  '' +
		'<div id="popupInner" class="popupInner">' +
			'<div id="popupTitleBar" class="popupTitleBar">' +
				'<div id="popupTitle" class="popupTitle"></div>' +
				'<div id="popupControls" class="popupControls">' +
					'<input type="button" class="button" style="cursor:pointer" value="Save" onclick="hidePopWin(true);">&nbsp;<input type="button" class="button" style="cursor:pointer" value="Cancel" onclick="hidePopWin(false);">' +
				'</div>' +
			'</div>' +
			'<IFRAME src="loading.html" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%"></IFRAME>' +
		'</div>';
	}
	else if (parameter == "InPlace")
	{
	showPopUpControl = false;
	returnHTMLValue = '' +
		'<div id="popupInner" class="popupInner">' +
			'<IFRAME src="loading.html" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%"></IFRAME>' +
		'</div>';
	}
	else if (parameter == "Print")
	{
	showPopUpControl = false;
	returnHTMLValue = '' +
		'<div id="popupInner" class="popupInner">' +
		'<div id="popupTitleBar" class="popupTitleBar">' +
		    '<div id="popupControls" class="popupControls">' +
		        '<input type="button" class="button" style="cursor:pointer" value="Print" onclick="PrintTheFrame();">&nbsp;<input type="button" class="button" style="cursor:pointer" value="Close" onclick="hidePopWin(false);">' +
		    '</div>' +
		'</div>' +
			'<IFRAME src="loading.html" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%"></IFRAME>' +
		'</div>';
	}
	else
	{
	
	returnHTMLValue = '' +
		'<div id="popupInner" class="popupInner">' +
			'<div id="popupTitleBar" class="popupTitleBar">' +
				'<div id="popupTitle" class="popupTitle"></div>' +
				'<div id="popupControls" class="popupControls">' +
					'<input type="button" class="button" style="cursor:pointer" value="Close" onclick="hidePopWin(true);">' +
				'</div>' +
			'</div>' +
			'<IFRAME src="loading.html" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%"></IFRAME>' +
		'</div>';
	}
    return returnHTMLValue;
}
	
	
function AssociateGlobalVars()
{
	gPopupMask = document.getElementById("popupMask");
	gPopupContainer = document.getElementById("popupContainer");
	gPopFrame = document.getElementById("popupFrame");	
	gPopHelpFrame =  document.getElementById("popupHelpFrame");	
	gPopupInner = document.getElementById("popupInner");	
	gPopupHelpInner = document.getElementById("popupHelpInner");

}	
	
function showPopWinWithValidation(url, width, height, returnFunc, returnArg, DisplayStyle) {
    gRequiresValidation = true;
	showPopWin(url, width, height, returnFunc, returnArg, DisplayStyle);
}



function showPopWin(url, width, height, returnFunc, returnArg, DisplayStyle) {

    if (DisplayStyle != null)
    {
        gPopupContainer.innerHTML = getPopContHTML(DisplayStyle)
	    gPopupContainer.appendChild(getHelpDiv());
	    AssociateGlobalVars();
    }
    

	gPopupIsShown = true;
	disableTabIndexes();
	
	gPopupHelpInner.style.display = "none";
	gPopupInner.style.display = "block";
	
	gPopupMask.style.display = "block";
	gPopupContainer.style.display = "block";
	// calculate where to place the window on screen
	centerPopWin(width, height);
	var titleBarHeight = 0;
	if (showPopUpControl)
	{
	    titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
	}
	
	gPopupContainer.style.width = width + "px";
	gPopupContainer.style.height = (height+titleBarHeight) + "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
	if (showPopUpControl)
	{
	    gPopFrame.style.width = parseInt(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
	}
	gPopFrame.style.height = (height) + "px";
	
	// set the url
	gPopFrame.src = url;
	
	gReturnFunc = returnFunc;
	gReturnArg = returnArg;
	// for IE
	if (gHideSelects == true) {
		hideSelectBoxes();
	}
	if (showPopUpControl)
	{
	    window.setTimeout("setPopTitle();", 600);
	}
}


function showPopWinHelp(url) {


width = 650;
height = 500;
	gPopupIsShown = true;
	disableTabIndexes();
	
	gPopupHelpInner.style.display = "block";
	gPopupInner.style.display = "none";
	
	gPopupMask.style.display = "block";
	gPopupContainer.style.display = "block";
	// calculate where to place the window on screen
	centerPopWin(width, height);
	var titleBarHeight = 0;

	titleBarHeight = parseInt(document.getElementById("popupHelpTitleBar").offsetHeight, 10);

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

	gPopHelpFrame.style.width = parseInt(document.getElementById("popupHelpTitleBar").offsetWidth, 10) + "px";

	gPopHelpFrame.style.height = (height) + "px";
	
	// set the url
	
	if (url == null)
    {
        gPopHelpFrame.src = 'wfPopUpHelp.aspx';
    }
    else
    {
        gPopHelpFrame.src = 'wfPopUpHelp.aspx?HelpFile=' + url;
    }
	
	
	

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

	window.setTimeout("setPopHelpTitle();", 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 fullHeight = getViewportHeight();
		var fullWidth = getViewportWidth();
		
		var theBody = document.documentElement;
		
		var scTop = parseInt(theBody.scrollTop,10);
		var scLeft = parseInt(theBody.scrollLeft,10);
		
		gPopupMask.style.height = fullHeight + "px";
		gPopupMask.style.width = fullWidth + "px";
		gPopupMask.style.top = scTop + "px";
		gPopupMask.style.left = scLeft + "px";
		
		window.status = gPopupMask.style.top + " " + gPopupMask.style.left + " " + gi++;
		var titleBarHeight = 0;
		if (showPopUpControl)
            {
                titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
            }	
		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;
//window.onresize = centerPopWin;

/**
 * @argument callReturnFunc - bool - determines if we call the return function specified
 * @argument returnVal - anything - return value 
 */
function hidePopWin(callReturnFunc) {

    if (!gRequiresValidation || !callReturnFunc || window.frames["popupFrame"].isValid())
    {
	    gPopupIsShown = false;
	    restoreTabIndexes();
	    if (gPopupMask == null) {
		    return;
	    }
	    gPopupMask.style.display = "none";
	    gPopupContainer.style.display = "none";
	    if (callReturnFunc == true && gReturnFunc != null) {
		    gReturnFunc(window.frames["popupFrame"].returnVal, gReturnArg);
	    }
	    gPopFrame.src = 'loading.html';
	    // 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() {
	if (window.frames["popupFrame"].document.title == null) {
		window.setTimeout("setPopTitle();", 10);
	} else {
		document.getElementById("popupTitle").innerHTML = window.frames["popupFrame"].document.title;
	}
}

function setPopHelpTitle() {
	if (window.frames["popupHelpFrame"].document.title == null) {
		window.setTimeout("setPopHelpTitle();", 10);
	} else {
		document.getElementById("popupHelpTitle").innerHTML = window.frames["popupHelpFrame"].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.toUpperCase() == "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.toUpperCase() == "SELECT") {
			document.forms[i].elements[e].style.visibility="visible";
			}
		}
	}
}

function PrintTheFrame()
{
    window.frames["popupFrame"].focus();
    window.frames["popupFrame"].print()
}