/* Clientcide Copyright (c) 2006-2009, http://www.clientcide.com/wiki/cnet-libraries#license*/

//Contents: dbug, FixPNG

//This lib: http://www.clientcide.com/js/build.php?excludeLibs[]=mootools-core&excludeLibs[]=mootools-more&require[]=FixPNG&compression=none

/*
Script: dbug.js
	A wrapper for Firebug console.* statements.

License:
	http://www.clientcide.com/wiki/cnet-libraries#license
*/
var dbug = {
	logged: [],	
	timers: {},
	firebug: false, 
	enabled: false, 
	log: function() {
		dbug.logged.push(arguments);
	},
	nolog: function(msg) {
		dbug.logged.push(arguments);
	},
	time: function(name){
		dbug.timers[name] = new Date().getTime();
	},
	timeEnd: function(name){
		if (dbug.timers[name]) {
			var end = new Date().getTime() - dbug.timers[name];
			dbug.timers[name] = false;
			dbug.log('%s: %s', name, end);
		} else dbug.log('no such timer: %s', name);
	},
	enable: function(silent) { 
		var con = window.firebug ? firebug.d.console.cmd : window.console;

		if((!!window.console && !!window.console.warn) || window.firebug) {
			try {
				dbug.enabled = true;
				dbug.log = function(){
						try {
							(con.debug || con.log).apply(con, arguments);
						} catch(e) {
							console.log(Array.slice(arguments));
						}
				};
				dbug.time = function(){
					con.time.apply(con, arguments);
				};
				dbug.timeEnd = function(){
					con.timeEnd.apply(con, arguments);
				};
				if(!silent) dbug.log('enabling dbug');
				for(var i=0;i<dbug.logged.length;i++){ dbug.log.apply(con, dbug.logged[i]); }
				dbug.logged=[];
			} catch(e) {
				dbug.enable.delay(400);
			}
		}
	},
	disable: function(){ 
		if(dbug.firebug) dbug.enabled = false;
		dbug.log = dbug.nolog;
		dbug.time = function(){};
		dbug.timeEnd = function(){};
	},
	cookie: function(set){
		var value = document.cookie.match('(?:^|;)\\s*jsdebug=([^;]*)');
		var debugCookie = value ? unescape(value[1]) : false;
		if((!$defined(set) && debugCookie != 'true') || ($defined(set) && set)) {
			dbug.enable();
			dbug.log('setting debugging cookie');
			var date = new Date();
			date.setTime(date.getTime()+(24*60*60*1000));
			document.cookie = 'jsdebug=true;expires='+date.toGMTString()+';path=/;';
		} else dbug.disableCookie();
	},
	disableCookie: function(){
		dbug.log('disabling debugging cookie');
		document.cookie = 'jsdebug=false;path=/;';
	}
};

(function(){
	var fb = !!window.console || !!window.firebug;
	var con = window.firebug ? window.firebug.d.console.cmd : window.console;
	var debugMethods = ['debug','info','warn','error','assert','dir','dirxml'];
	var otherMethods = ['trace','group','groupEnd','profile','profileEnd','count'];
	function set(methodList, defaultFunction) {
		for(var i = 0; i < methodList.length; i++){
			dbug[methodList[i]] = (fb && con[methodList[i]])?con[methodList[i]]:defaultFunction;
		}
	};
	set(debugMethods, dbug.log);
	set(otherMethods, function(){});
})();
if ((!!window.console && !!window.console.warn) || window.firebug){
	dbug.firebug = true;
	var value = document.cookie.match('(?:^|;)\\s*jsdebug=([^;]*)');
	var debugCookie = value ? unescape(value[1]) : false;
	if(window.location.href.indexOf("jsdebug=true")>0 || debugCookie=='true') dbug.enable();
	if(debugCookie=='true')dbug.log('debugging cookie enabled');
	if(window.location.href.indexOf("jsdebugCookie=true")>0){
		dbug.cookie();
		if(!dbug.enabled)dbug.enable();
	}
	if(window.location.href.indexOf("jsdebugCookie=false")>0)dbug.disableCookie();
}/*
Script: FixPNG.js
	Extends the Browser hash object to include methods useful in managing the window location and urls.

License:
	http://www.clientcide.com/wiki/cnet-libraries#license
*/
$extend(Browser, {
	fixPNG: function(el) {
		try {
			if (Browser.Engine.trident4 || (Browser.Engine.name == 'trident' && Browser.Engine.version == '4')){
				el = $(el);
				if (!el) return el;
				if (el.get('tag') == "img" && el.get('src').test(".png")) {
					var vis = el.isDisplayed();
					try { //safari sometimes crashes here, so catch it
						dim = el.getSize();
					}catch(e){}
					if (!vis){
						var before = {};
						//use this method instead of getStyles 
						['visibility', 'display', 'position'].each(function(style){
							before[style] = this.style[style]||'';
						}, this);
						//this.getStyles('visibility', 'display', 'position');
						this.setStyles({
							visibility: 'hidden',
							display: 'block',
							position:'absolute'
						});
						dim = el.getSize(); //works now, because the display isn't none
						this.setStyles(before); //put it back where it was
						el.hide();
					}
					var replacement = new Element('span', {
						id:(el.id)?el.id:'',
						'class':(el.className)?el.className:'',
						title:(el.title)?el.title:(el.alt)?el.alt:'',
						styles: {
							display: vis?'inline-block':'none',
							width: dim.x,
							height: dim.y,
							filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader (src='" 
								+ el.src + "', sizingMethod='scale');"
						},
						src: el.src
					});
					if (el.style.cssText) {
						try {
							var styles = {};
							var s = el.style.cssText.split(';');
							s.each(function(style){
								var n = style.split(':');
								styles[n[0]] = n[1];
							});
							replacement.setStyle(styles);
						} catch(e){ dbug.log('fixPNG1: ', e)}
					}
					if (replacement.cloneEvents) replacement.cloneEvents(el);
					replacement.replaces(el);
				} else if (el.get('tag') != "img") {
				 	var imgURL = el.getStyle('background-image');
				 	if (imgURL.test(/\((.+)\)/)){
				 		el.setStyles({
				 			background: '',
				 			filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true', sizingMethod='crop', src=" + imgURL.match(/\((.+)\)/)[1] + ")"
				 		});
				 	};
				}
			}
		} catch(e) {dbug.log('fixPNG2: ', e)}
	},
  pngTest: /\.png$/, // saves recreating the regex repeatedly
  scanForPngs: function(el, className) {
    className = className||'fixPNG';
    //TODO: should this also be testing the css background-image property for pngs?
    //Q: should it return an array of all those it has tweaked?
    if (document.getElements){ // more efficient but requires 'selectors'
      el = document.id(el||document.body);
      el.getElements('img[src$=.png]').addClass(className);
    } else { // scan the whole page
      var els = $$('img').each(function(img) {
        if (Browser.pngTest(img.src)){
          img.addClass(className);
        }
      });
    }
  }
});
window.addEvent('domready', function(){$$('*.fixPNG').each(Browser.fixPNG)});