/*
Created By: Chris Campbell
Website: http://particletree.com
Date: 2/1/2006

Inspired by the lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
*/

/*-------------------------------GLOBAL VARIABLES------------------------------------*/

var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;

/*-----------------------------------------------------------------------------------------------*/

//Browser detect script origionally created by Peter Paul Koch at http://www.quirksmode.org/

function catchError() { return true; }
window.onerror = catchError; 

function getBrowserInfo() {
	if (checkIt('konqueror')) {
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser 	= "Safari"
	else if (checkIt('omniweb')) browser 	= "OmniWeb"
	else if (checkIt('opera')) browser 	= "Opera"
	else if (checkIt('webtv')) browser 	= "WebTV";
	else if (checkIt('icab')) browser 	= "iCab"
	else if (checkIt('msie')) browser 	= "Internet Explorer"
	else if (!checkIt('compatible')) {
		browser = "Netscape Navigator"
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";

	if (!version) version = detect.charAt(place + thestring.length);

	if (!OS) {
		if (checkIt('linux')) OS 	= "Linux";
		else if (checkIt('x11')) OS 	= "Unix";
		else if (checkIt('mac')) OS 	= "Mac"
		else if (checkIt('win')) OS 	= "Windows"
		else OS 			= "an unknown operating system";
	}
}

function checkIt(string) {
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

/*-----------------------------------------------------------------------------------------------*/

var lightbox = Class.create();

lightbox.prototype = {

	yPos : 0,
	xPos : 0,

	initialize: function(ctrl) {
		this.content = ctrl.href;
		Event.observe(ctrl, 'click', this.activate.bindAsEventListener(this), false);
		ctrl.onclick = function(){return false;};
	},
	
	// Turn everything on - mainly the IE fixes
	activate: function(){
		if (browser == 'Internet Explorer'){
			this.hideSelects('hidden');
		}
		this.displayLightbox("block");
	},
	
	// Ie requires height to 100% and overflow hidden or else you can scroll down past the lightbox
       prepareIE: function(height, overflow){
            bod = document.getElementsByTagName('body')[0];
            bod.style.height = height;
            bod.style.overflow = overflow;
   
            htm = document.getElementsByTagName('html')[0];
            htm.style.height = height;
            htm.style.overflow = overflow;

	},

	
	// In IE, select elements hover on top of the lightbox
	hideSelects: function(visibility){
		selects = document.getElementsByTagName('select');
		for(i = 0; i < selects.length; i++) {
			selects[i].style.visibility = visibility;
		}
	},
	
	// Taken from lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
	getScroll: function(){
		if (self.pageYOffset) {
			this.yPos = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){
			this.yPos = document.documentElement.scrollTop; 
		} else if (document.body) {
			this.yPos = document.body.scrollTop;
		}
	},
	
	setScroll: function(x, y){
		window.scrollTo(x, y); 
	},
	
	displayLightbox: function(display){
		$('lightbox').style.display = display;
		$('overlay').style.display = display;
		if(display != 'none') this.loadInfo();
	},
	
	// Begin Ajax request based off of the href of the clicked linked
	loadInfo: function() {
		var myAjax = new Ajax.Request(
        this.content,
        {method: 'get', onComplete: this.processInfo.bindAsEventListener(this)}
		);
		
	},
	
	// Display Ajax response
	processInfo: function(response){
		info = "<div id='lbContent'>" + response.responseText + "</div>";
		new Insertion.Before($('lbLoadMessage'), info)
		$('lightbox').className = "done";
			
		this.actions();			
	},
	
	// Search through new links within the lightbox, and attach click event
	actions: function(){
		lbActions = document.getElementsByClassName('lbAction');

		for(i = 0; i < lbActions.length; i++) {
			Event.observe(lbActions[i], 'click', this[lbActions[i].rel].bindAsEventListener(this), false);
			lbActions[i].onclick = function(){return false;};
		}

	},
	
	// Example of creating your own functionality once lightbox is initiated
	insert: function(e){
	   
	   var allParams = $('verzend_this').serialize();
	   link = Event.element(e).parentNode;
	   Element.remove($('lbContent'));


	   var myAjax = new Ajax.Request(
			  link.href,
			  {method: 'post', parameters: allParams, onComplete: this.processInfo.bindAsEventListener(this)}
	   );

 
	   $('lightbox').className = "loading";
	 
	},
	
	// Example of creating your own functionality once lightbox is initiated
	deactivate: function(){
		Element.remove($('lbContent'));
		$('lightbox').className = "loading";

		if (browser == "Internet Explorer"){
			this.hideSelects("visible");
		}
		
		this.displayLightbox("none");
	}
}

/*-----------------------------------------------------------------------------------------------*/

// Onload, make all links that need to trigger a lightbox active
function initialize(){
	addLightboxMarkup();
	lbox = document.getElementsByClassName('openWindow');
	for(i = 0; i < lbox.length; i++) {
		valid = new lightbox(lbox[i]);
	}
}

// Add in markup necessary to make this work. Basically two divs:
// Overlay holds the shadow
// Lightbox is the centered square that the content is put into.
function addLightboxMarkup() {
	bod 		= document.getElementsByTagName('body')[0];
	overlay 	= document.createElement('div');
	overlay.id	= 'overlay';
	lb		= document.createElement('div');
	lb.id		= 'lightbox';
	lb.className 	= 'loading';
	lb.innerHTML	= '<div id="lbLoadMessage">' +
		  	  '<b class="copumn">' +
			  '<b class="copumn1"></b>' +
			  '<b class="copumn2"></b>' +
			  '<b class="copumn3"></b>' +
			  '<b class="copumn4"></b>' +
			  '<b class="copumn5"></b></b> ' +
			  '<div id="LoadTekst"><img src="http://kadm.friendbook.nl/gastenboek/images/ajax-loader.gif"><br>Pagina laden...</div>' +
			  '<b class="copumn">' +
			  '<b class="copumn5"></b>' +
			  '<b class="copumn4"></b>' +
			  '<b class="copumn3"></b>' +
			  '<b class="copumn2"></b>' +
			  '<b class="copumn1"></b></b>' +
			  '</div>';
	bod.appendChild(overlay);
	bod.appendChild(lb);
}

function ubb(sUBB, eUBB) { 
var objTxtArea = $('user_tekst');
	if (!eUBB){
 		eUBB = ' '+sUBB+' '; 
 		sUBB = '';
	}
	if (objTxtArea.selectionStart || objTxtArea.selectionStart == 0){
 		var ss = objTxtArea.selectionStart;
 		var se = objTxtArea.selectionEnd;
 		objTxtArea.value = objTxtArea.value.substring(0, ss) + sUBB + objTxtArea.value.substring(ss, se) + eUBB + objTxtArea.value.substring(se, objTxtArea.value.length);
		if (sUBB.length != 0){
 			objTxtArea.selectionStart = ss;
			objTxtArea.selectionEnd = se + sUBB.length + eUBB.length;
		}else{
			objTxtArea.selectionStart = se + sUBB.length + eUBB.length;
			objTxtArea.selectionEnd = objTxtArea.selectionStart;
		}
		objTxtArea.focus();
		} else if (objTxtArea.createTextRange){
 			objTxtArea.focus();	
 			document.selection.createRange().text = sUBB + document.selection.createRange().text + eUBB;
		}else{
 		txtArea.value = txtArea.value + sUBB + eUBB;
          }
}
function ubb_url() {
	var LURL = window.prompt ("Vul hier de URL van de website in:", "http://");
	if(LURL == 'http://' || LURL == '' || LURL == null) { }
	else {
		ubb('[url=' + LURL + ']' + LURL + '[/url]');
	}
}


function loadIt() {
	//hier niks doen!
}

function confirmDelete(delUrl) {
  if (confirm("Weet je zeker dat je dit bericht wilt verwijderen? \r\nVerwijderen van het bericht kan niet meer ongedaan gemaakt worden.")) {
    document.location = delUrl;
  }
}

try {
	document.execCommand("BackgroundImageCache", false, true)
} catch(e) {}

Event.observe(window, 'load', getBrowserInfo, false);
Event.observe(window, 'unload', Event.unloadCache, false);
document.observe('dom:loaded', function () { initialize(); });