// Popup code
var gPopupMask = null;
var gPopupContainer = null;
var gPopFrame = null;
var gReturnFunc;
var gPopupIsShown = false;
//var gDefaultPage = "/Misc/loading.htm";
var gHideSelects = false;
var gReturnVal = null;

var gUseDialog = false;

var scrollType;

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() {
	if (gPopupContainer) return;
	// 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">' +
			'<div width="100%" id="popupTitleBar">' +
				'<div  id="popupTitle"></div>' +
				'<div  id="popupControls">' +
					'<img src="/images/close.gif" onclick="hidePopWin(true);" id="popCloseBox" />' +
				'</div>' +
			'</div>' +
			'<iframe style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%" src="/Content/blank.htm"></iframe>' +
		'</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;
			}
		}
	}
}
//if ($) { $(function() { initPopUp; }) }
addEvent(window, "load", initPopUp);
/*
$(function() {
	$('.dialog').each(function() {
		var $dialog = $('<div></div>');
		var $link = $(this).one('click', function() {
			$dialog
				.load($link.attr('href'))
				.dialog({
					title: $link.attr('title'),
					width: 500,
					height: 300
				});

			$link.click(function() {
				$dialog.dialog('open');

				return false;
			});

			return false;
		});
	});
});
*/
 /**
	* @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) {
	//If not jquery then do regular
	if (gUseDialog && !(typeof $ == 'undefined')) {
		showPopWinNew(url, width, height, returnFunc, showCloseBox);
	}
	else {
		showPopWinOld(url, width, height, returnFunc, showCloseBox);
	}
}

// Inserting jQuery.Dialog
function showPopWinNew(url, width, height, returnFunc, showCloseBox) {
	//alert(url);
	var $iframe = $('<iframe id="f" src="' + url + '" frameborder="0" scrolling="no" onload="ResizeIFrame(this)" width="' + width + '" height="' + height + '"/>');
		
	var $dialog = $('<div></div>')
		.append($iframe)
		.addClass('Popup')
		.dialog({
			width: 'auto',
			resizable: false,
			modal: true
		});
		
		$iframe.bind('load', function() {
			$this = $(this);
			$('.Popup').dialog('option', 'title', $this.contents().find('title').text());
			$this.height($this.contents().height());
		});
}


function showPopWinOld(url, width, height, returnFunc, showCloseBox) {
	// check to see if PopWin needs initializing
	if (!gPopupContainer) { initPopUp(); }
	// show or hide the window close widget
	if (document.getElementById("popCloseBox")) {
		if (showCloseBox == null || showCloseBox == true) {
			document.getElementById("popCloseBox").style.display = "block";
		} else {
			document.getElementById("popCloseBox").style.display = "none";
		}
	}
	gPopupIsShown = true;
	disableTabIndexes();
	gPopupMask.style.display = "block";
	//gPopFrame.src = '/Content/blank.htm';
	//gPopFrame.location.href = '/Content/blank.htm';
	//if (window.frames && window.frames.popupFrame) {
	//window.frames.popupFrame.location.href = '/Content/blank.htm';
	window.frames.popupFrame.innerHTML = '';
	//}
	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();", 500);
}


function showPopWinRight(url, width, height, returnFunc, showCloseBox) {
	// 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";
	}
	gPopupIsShown = true;
	disableTabIndexes();
	gPopupMask.style.display = "block";
	gPopupContainer.style.display = "block";
	// calculate where to place the window on screen
	rightPopWin(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();", 500);
}


function resizePopUp(width, height) {
	centerPopWin(width, height);

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

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

	setMaskSize();

	gPopFrame.style.width = parseInt(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
	gPopFrame.style.height = (height) + "px";
}

//
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 = "100px";
		gPopupContainer.style.left = "200px";

		gPopupContainer.style.top = (scTop + ((fullHeight - (height + titleBarHeight)) / 2)) + "px";
		gPopupContainer.style.left = (scLeft + ((fullWidth - width) / 2)) + "px";
		//alert(fullHeight + " " + height + " " + gPopupContainer.style.top + " " + scTop + " " + titleBarHeight);
		//alert(fullWidth + " " + width + " " + gPopupContainer.style.left + " " + scLeft);
	}

	window.onscroll = centerPopWin;
}

function rightPopWin(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) + "px";
		gPopupContainer.style.left = (scLeft + ((fullWidth - width))) + "px";
		//alert(fullHeight + " " + height + " " + gPopupContainer.style.top + " " + scTop + " " + titleBarHeight);
		//alert(fullWidth + " " + width + " " + gPopupContainer.style.left + " " + scLeft);

		window.onscroll = rightPopWin;
	}

}




/**
 * 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 = "100%";
	//gPopupMask.style.width = "100%";
	gPopupMask.style.height = window.popHeight;
	gPopupMask.style.width = window.popWidth;
}

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

function hidePopWin(callReturnFunc) {
	if (gUseDialog && !(typeof $ == 'undefined')) {
		hidePopWinNew(callReturnFunc);
	} else {
		hidePopWinOld(callReturnFunc);
	}
}
function hidePopWinNew(callReturnFunc) {
	$('.Popup').dialog('close');
}

function hidePopWinOld(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);gPopFrame.src = "/GetContent/blank.htm";', 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() {
	if (window.frames["popupFrame"].document.title == null) {
		window.setTimeout("setPopTitle();", 100);
	} else {
		if (window.frames["popupFrame"].document.title.length > 0) {
			document.getElementById("popupTitle").innerHTML = window.frames["popupFrame"].document.title;
		}
		else {
			window.setTimeout("setPopTitle();", 100);
		}
	}
}

// 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";
			}
		}
	}
}