/* Pixel Development - site code */

// general routines

function setObjClasses(objName, objClasses) {
	success = false;
	if (document.getElementById)
	{
		theObj = document.getElementById(objName);
		if (theObj)
		{
			success = true;
			theObj.className = objClasses;
		}
	}
}

function showLogon() {
	so_pause();
	result = setObjClasses("logon", "");
	document.forms[0].user.focus();
	return result;
}

function hideLogon() {
	so_resume();
	return setObjClasses("logon", "hidden");
}

function beginEdit(fileNum, fileName) {
	document.editform.file.value = fileName;
	fileContent = document.getElementById("f" + fileNum).innerHTML;

	// June 12 2006 handle raw HTML, fix for Explorer
	fileContent = fileContent.replace(/@@lt;/ig,"<");
	fileContent = fileContent.replace(/@@gt;/ig,">");
	document.editform.newcontent.value = fileContent;

	setObjClasses("edit", "")
	fixedPositionFix();
	so_pause();
}

function hideEdit() {
	hideSpellChecker();
	so_resume();
	return setObjClasses("edit", "hidden");
}

var showingSpellChecker = false;
var browser = navigator.userAgent.toLowerCase();
var isFirefox = (browser.indexOf("firefox") != -1);
var spellWin = null;
var helpWin = null;

function showSpellChecker() {
	if (true) // no copy/paste between iframes for Firefox
	{
		if (spellWin)
			spellWin.focus();
		spellWin = window.open("http://www.thesolutioncafe.com/public-spell-checker-embed2.html","spelwin","width=600,height=240");
		return;
	}
	showingSpellChecker = !showingSpellChecker;
	if (showingSpellChecker)
		setObjClasses("spellframe","");
	else
		setObjClasses("spellframe","hidden");
	obj = document.getElementById("showspellcheckbtn");
	if (obj)
		if (showingSpellChecker )
			obj.value = "Hide";
		else
			obj.value = "Spelling";
}

function hideSpellChecker() {
	if (false) // !isFirefox)
	{
		showingSpellChecker = true;
		showSpellChecker();
	}
}

function showEditHelp() {
	if (helpWin)
		helpWin.focus();
	helpWin = window.open("http://localhost/newdpr/customsites/edithelp.html","edithelpwin","width=600,height=450,scrollbars=yes,resizable=yes");
}

function hideWelcome() {
	setObjClasses("welcome", "hidden");
}

function SetSelectedText( elementID, text )
{
	var obj = document.getElementById( elementID );
	if( !obj )
		throw "Element " + elementID + " not found!";

	// Netscape, Mozilla, Firefox
	if( typeof(obj.selectionStart) != "undefined" )
	{
		obj.focus();
		var start_selection = obj.selectionStart;
		var end_selection = obj.selectionEnd;
		if (end_selection < start_selection)
		{
			var temp = end_selection;
			end_selection = start_selection;
			start_selection = temp;
		}

		// Sad, but true: You actually have to replace *all* of the text in
		// the text input to replace the selection in Mozilla browsers!
		var startText = (obj.value).substring(0, start_selection);
		var endText = (obj.value).substring(end_selection, obj.textLength);

		obj.value = startText + text + endText;
		obj.selectionStart = start_selection;
		obj.selectionEnd = start_selection + text.length;
	}
	else if( obj.createTextRange ) // Internet Explorer
	{
		obj.focus( obj.caretPos );
		obj.caretPos = document.selection.createRange().duplicate();
		obj.caretPos.text = text;
		obj.caretPos.moveStart( "character", text.length * -1 );
		obj.caretPos.select();
	}
	else // Opera - add to end
		obj.value += text;

	obj.focus();
}

function leadingZero(nr)
{
	if (nr < 10) nr = "0" + nr;
	return nr;
}

function addNow() {
	elementId = "newcontent";
	theObj = document.getElementById(elementId);
	if (theObj)
	{

	    	weekDays = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday')
	    	months = new Array('January','February','March','April','May','June','July','August','September','October','November','December')
	    	today = new Date()
		yy = today.getYear();
		year = (yy < 1000) ? yy + 1900 : yy;
		r = "\n" + weekDays[today.getDay()+1] + " " + months[today.getMonth()] + " " + today.getDate() + ", " + year;

		var Hours = today.getHours();
		var Minutes = leadingZero(today.getMinutes());
		var Seconds = leadingZero(today.getSeconds());
		var ampm = "am";
		if (Hours == 0) Hours = 12;
		if (Hours > 11)
			ampm = "pm";
		if (Hours > 12)
			Hours -= 12;
		Hours = leadingZero(Hours);

		r = r + " " + Hours + ':' + Minutes + ampm + "\n";

		SetSelectedText("newcontent", r);

		// theObj.value = theObj.value + r;
	}
	return false; // dont submit
}


function addStats() {
	elementId = "newcontent";
	theObj = document.getElementById(elementId);
	if (theObj)
	{
		r = "\nHeight:|5'7\nWeight:|120\nEyes:|Blue"
		SetSelectedText("newcontent", r);
	}
	return false; // dont submit
}


function fixedPositionFix() {
	if (false) // document.getElementById)
	{
		theObj = document.getElementById("edit");
		if (theObj)
		{
			theObj.style.top = "50px";
		}

		setTimeout(fixedPositionFix, 20);
	}
}

addLoadEvent(fixedPositionFix);


// external links to new window

function externalLinks() {
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") &&
        anchor.getAttribute("rel") == "external")
      anchor.target = "_blank";
    }
}

addLoadEvent(externalLinks);


/*
	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensed under the Creative Commons Attribution 2.5 License - 			
		http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
	
	Table of Contents
	-----------------
	Configuration
	
	Functions
	- getPageScroll()
	- getPageSize()
	- pause()
	- getKey()
	- listenKey()
	- showLightbox()
	- hideLightbox()
	- initLightbox()
	- addLoadEvent()
	
	Function Calls
	- addLoadEvent(initLightbox)
*/



//
// Configuration
//

// If you would like to use a custom loading image or close button reference them in the next two lines.
var loadingImage = '../common/loading.gif';		
var closeButton  = '../common/close.gif';		


//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}


//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){ hideLightbox(); }
}


//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	

//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox(objLink)
{
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');

	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
		objLoadingImage.style.display = 'block';
	}

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';

	// preload image
	imgPreload = new Image();

	imgPreload.onload=function(){
		objImage.src = objLink.href;

		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";


		objLightboxDetails.style.width = imgPreload.width + 'px';
		
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			//objCaption.style.width = imgPreload.width + 'px';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}
		
		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 

		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }

		// Hide select boxes as they will 'peek' through the image in IE
		selects = document.getElementsByTagName("select");
        for (i = 0; i != selects.length; i++) {
                selects[i].style.visibility = "hidden";
        }

	
		objLightbox.style.display = 'block';

		// After image is loaded, update the overlay height as the new image might have
		// increased the overall page height.
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		
		// Check for 'x' keypress
		listenKey();

		return false;
	}

	imgPreload.src = objLink.href;
	
}


//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}

	// disable keypress listener
	document.onkeypress = '';
}


//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{
	
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName("a");

	// loop through all anchor tags
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];

		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
			anchor.onclick = function () {showLightbox(this); return false;}
		}
	}

	// the rest of this code inserts html at the top of the page that looks like this:
	//
	// <div id="overlay">
	//		<a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a>
	//	</div>
	// <div id="lightbox">
	//		<a href="#" onclick="hideLightbox(); return false;" title="Click anywhere to close image">
	//			<img id="closeButton" />		
	//			<img id="lightboxImage" />
	//		</a>
	//		<div id="lightboxDetails">
	//			<div id="lightboxCaption"></div>
	//			<div id="keyboardMsg"></div>
	//		</div>
	// </div>
	
	var objBody = document.getElementsByTagName("body").item(0);
	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {hideLightbox(); return false;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// preload and create loader image
	var imgPreloader = new Image();
	
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload=function(){

		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute('href','#');
		objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
		objOverlay.appendChild(objLoadingImageLink);
		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = loadingImage;
		objLoadingImage.setAttribute('id','loadingImage');
		objLoadingImage.style.position = 'absolute';
		objLoadingImage.style.zIndex = '150';
		objLoadingImageLink.appendChild(objLoadingImage);

		imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs

		return false;
	}

	imgPreloader.src = loadingImage;

	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '100';	
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);
	
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','#');
	objLink.setAttribute('title','Click to close');
	objLink.onclick = function () {hideLightbox(); return false;}
	objLightbox.appendChild(objLink);

	// preload and create close button image
	var imgPreloadCloseButton = new Image();

	// if close button image found, 
	imgPreloadCloseButton.onload=function(){

		var objCloseButton = document.createElement("img");
		objCloseButton.src = closeButton;
		objCloseButton.setAttribute('id','closeButton');
		objCloseButton.style.position = 'absolute';
		objCloseButton.style.zIndex = '200';
		objLink.appendChild(objCloseButton);

		return false;
	}

	imgPreloadCloseButton.src = closeButton;

	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute('id','lightboxImage');
	objLink.appendChild(objImage);
	
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute('id','lightboxDetails');
	objLightbox.appendChild(objLightboxDetails);

	// create caption
	var objCaption = document.createElement("div");
	objCaption.setAttribute('id','lightboxCaption');
	objCaption.style.display = 'none';
	objLightboxDetails.appendChild(objCaption);

	// create keyboard message
	var objKeyboardMsg = document.createElement("div");
	objKeyboardMsg.setAttribute('id','keyboardMsg');
	objKeyboardMsg.innerHTML = 'press <kbd>x</kbd> to close';
	objLightboxDetails.appendChild(objKeyboardMsg);
}




//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(initLightbox);	// run initLightbox onLoad



/*****

Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com
http://slayeroffice.com/code/imageCrossFade/xfade2.html

Modified by Pixel Development 02.28.2006 to add Pause, Resume, removed extra external style sheet

*****/

var so_d = document, so_imgs = new Array(), so_zInterval = null, so_current = 0, so_paused = false;

function so_init() {
	if(!so_d.getElementById || !so_d.createElement)return;
	if(!so_d.getElementById("imageContainer"))return;

	so_imgs = so_d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=1;i<so_imgs.length;i++)
		so_imgs[i].xOpacity = 0;
	setObjClasses("imageContainer", "withjs");
	so_imgs[0].style.display = "block";
	so_imgs[0].xOpacity = .99;
	
	setTimeout(so_xfade,1000);
}

function so_xfade() {
	if(so_paused) {
		setTimeout(so_xfade,50);
		return;
	}

	cOpacity = so_imgs[so_current].xOpacity;
	nIndex = so_imgs[so_current+1]?so_current+1:0;
	nOpacity = so_imgs[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;
	
	so_imgs[nIndex].style.display = "block";
	so_imgs[so_current].xOpacity = cOpacity;
	so_imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(so_imgs[so_current]); 
	setOpacity(so_imgs[nIndex]);
	
	if(cOpacity<=0) {
		so_imgs[so_current].style.display = "none";
		so_current = nIndex;
		setTimeout(so_xfade,3000);
	} else {
		setTimeout(so_xfade,50);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}

function so_pause() {
	so_paused = true;
}

function so_resume() {
	so_paused = false;
}

addLoadEvent(so_init);