// exponent Javascript Support Systems



//DEPRECATED: functional wrapper around OO API
function exponentJSinitialize() {
	eXp.initialize();	
}

//DEPRECATED: functional wrapper around OO API
function exponentJSregister(func) {
	eXp.register(func);
}

//DEPRECATED: functional wrapper around OO API
function exponentGetCookie(name) {
	eXp.getCookie(name);
}

//DEPRECATED: functional wrapper around OO API
function makeLink() {
	return eXp.makeLink(makeLink.arguments);
}

//DEPRECATED: functional wrapper around OO API
function openWindow(url, name, options) {
	eXp.openWindow(url, name, options);
}

//DEPRECATED: functional wrapper around OO API
function openSelector(mod, dest, vmod, vview) {
	eXp.openSelector(mod, dest, vmod, vview);
}

//DEPRECATED: functional wrapper around OO API
function openContentSelector(mod, dest, view) {
	eXp.openContentSelector(mod, dest, view);
}

//DEPRECATED: functional wrapper around OO API
function sourceSelected(hidden, showPreview, src, desc) {
	eXp.sourceSelected(hidden, showPreview, src, desc);
}

//DEPRECATED: functional wrapper around OO API
function selectAll(prefix,checked) {
	eXp.selectAll(prefix, checked);
}

//DEPRECATED: functional wrapper around OO API
function isOneSelected(prefix, enabledOnly) {
	eXp.isOneSelected(prefix, enabledOnly);
}

// Patch the String object, to make string parsing a little easier in exponent
String.prototype.isValid = function (alpha,numeric,others) {
	for (var i = 0; i < this.length; i++) {
		if (alpha && this.isAlpha(i)) continue;
		if (numeric && this.isNumeric(i)) continue;
		var isGood = false;
		for (var j = 0; j < others.length; j++) {
			if (others[j] == this.charAt(i)) {
				isGood = true;
				continue;
			}
		}
		if (!isGood) return false;
	}
	return true;
}

String.prototype.isNumeric = function(index) {
	var charcode = this.charCodeAt(index);
	return (
		(charcode >= 48 && charcode < 48+10)
	);
}

String.prototype.isAlpha = function(index) {	
	var charcode = this.charCodeAt(index);
	return (
		(charcode >= 65 && charcode < 65+26) ||
		(charcode >= 97 && charcode < 97+26)
	);
}

String.prototype.trim = function() {
	str = this;
	while (1) {
		if (str.substring(str.length - 1, str.length) != " ") break;
		str = str.substr(0,str.length - 1);
	}
	while (1 && str.length > 0) {
		if (str.substring(0,1) != " ") break;
		str = str.substr(1,str.length - 1);
	}
	return str;
}

String.prototype.endsWith = function(value) {
	if (this.length < value.length) {
		return false;
	} else {
		return this.substring(this.length-value.length, this.length)===value;
	}
}

String.prototype.startsWith = function(value) {
	if (this.length < value.length) {
		return false;
	} else {
		return this.substring(0, value.length)===value;
	}
}

/*
 * Date Format 1.2.3
 * (c) 2007-2009 Steven Levithan <stevenlevithan.com>
 * MIT license
 *
 * Includes enhancements by Scott Trenda <scott.trenda.net>
 * and Kris Kowal <cixar.com/~kris.kowal/>
 *
 * Accepts a date, a mask, or a date and a mask.
 * Returns a formatted version of the given date.
 * The date defaults to the current date/time.
 * The mask defaults to dateFormat.masks.default.
 */

var dateFormat = function () {
	var	token = /d{1,4}|m{1,4}|Y(?:Y)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
			val = String(val);
			len = len || 2;
			while (val.length < len) val = "0" + val;
			return val;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask, utc) {
		var dF = dateFormat;

		// You can't provide utc if you skip other args (use the "UTC:" mask prefix)
		if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
			mask = date;
			date = undefined;
		}

		// Passing date through Date applies Date.parse, if necessary
		date = date ? new Date(date) : new Date;
		if (isNaN(date)) throw SyntaxError("invalid date");

		mask = String(dF.masks[mask] || mask || dF.masks["default"]);

		// Allow setting the utc argument via the mask
		if (mask.slice(0, 4) == "UTC:") {
			mask = mask.slice(4);
			utc = true;
		}

		var	_ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			Y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				Y:    Y,
				YY:   String(Y).slice(2),
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
				S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

		return mask.replace(token, function ($0) {
			return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
dateFormat.masks = {
	"default":      "ddd mmm dd yyyy HH:MM:ss",
	shortDate:      "m/d/yy",
	mediumDate:     "mmm d, yyyy",
	longDate:       "mmmm d, yyyy",
	fullDate:       "dddd, mmmm d, yyyy",
	shortTime:      "h:MM TT",
	mediumTime:     "h:MM:ss TT",
	longTime:       "h:MM:ss TT Z",
	isoDate:        "yyyy-mm-dd",
	isoTime:        "HH:MM:ss",
	isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
	isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask, utc) {
	return dateFormat(this, mask, utc);
};



//introduction of a common namespace object
//TODO: migrate all of E`s JS API to this new object
eXp = new Object();

eXp.LANG = "es_ES";
eXp.PATH_RELATIVE = "/web/";
eXp.URL_FULL = "http://www.canela.cl/web/";
eXp.THEME_RELATIVE = "/web/themes/canelatheme/";
eXp.ICON_RELATIVE = "/web/themes/common/images/icons/";
eXp.onLoadInits = new Array(); // array of functions
eXp.openWindows = new Array(); // array of window references.

eXp.includeOnce = function(id, file) {
		// do we even have to do something ?
		if (!document.getElementById(id)){
		
			//TODO: check for html spelling, right now we assume XHTML
			// get the head element 
			myHeadElem = document.getElementsByTagName("head").item(0);
		
			myNewElem = document.createElement("script");
			myNewElem.setAttribute("id",id);
			myNewElem.setAttribute("type","text/javascript");
			myNewElem.setAttribute("defer","false");
			myNewElem.setAttribute("src",file);
			myHeadElem.appendChild(myNewElem);
		} else {
			//TODO: write handling for overiding of scripts, e.g. by themes.
		};	
};

eXp.initialize = function() {
	for (i = 0; i < eXp.onLoadInits.length; i++) {
		if(typeof(eXp.onLoadInits[i]) == "String") {
			//new style allows for function parameters
			eval(eXp.onLoadInits[i]);
		} else {
			eXp.onLoadInits[i]();
		}
	}
}	

eXp.register = function(func) {
	eXp.onLoadInits.push(func);
}

eXp.getCookie = function(name) {
	cookiestr = document.cookie;
	var nameIndex = cookiestr.indexOf(name);
	if (nameIndex != -1) { // found the named cookie
		var startOffset = nameIndex+name.length+1;
		var endOffset = cookiestr.indexOf(";",startOffset);
		if (endOffset == -1) endOffset = cookiestr.length;
		return cookiestr.substring(startOffset,endOffset);
	}
	return "";
}

eXp.makeLink = function() {
	var args = eXp.makeLink.arguments;
	var link = eXp.PATH_RELATIVE + "index.php?";
	for (var i = 0; i < args.length; i+=2) {
		if(typeof(args[i]) == "object") {
			for (var j = 0; j < args[i].length; j+=2) {
				var w = args[i][j+1];
				if (w != null && w != "") {
					link += escape(args[i][j]) + "=" + escape(args[i][j+1]) + "&";
					//alert(link);
				}
			}
		} else {
			var v = args[i+1];
			if (v != null && v != "") {
				link += escape(args[i]) + "=" + escape(args[i+1]) + "&";
			}
		}
	}

	return link.substr(0,link.length - 1);
}

eXp.openWindow = function(url, name, options) {
	for (key in eXp.openWindows) {
		if (key == name) {
			if (eXp.openWindows[key].focus()) {
				return;
			} else {
				break;
			}
		}
	}
	eXp.openWindows[name] = window.open(url,name,options);
}

eXp.openSelector = function(mod, dest, vmod, vview) {
	var url = eXp.PATH_RELATIVE+"source_selector.php?showmodules="+mod+"&dest="+escape(dest)+"&vmod="+vmod+"&vview="+vview;
	openWindow(url,'sourcePicker','title=no,resizable=yes,toolbar=no,width=900,height=750,scrollbars=yes');
}

eXp.openContentSelector = function(mod, dest, view) {
	var url = eXp.PATH_RELATIVE+"content_selector.php?showmodules="+mod+"&dest="+escape(dest)+"&vmod=containermodule&vview="+view;
	eXp.openWindow(url,'contentPicker','title=no,toolbar=no,width=640,height=480,scrollbars=yes');
}

eXp.sourceSelected = function(hidden, showPreview, src, desc) {
	var hidden = document.getElementById(hidden);
	hidden.value = src;
	if (showPreview){
		showPreviewCall();
	}
}

eXp.selectAll = function(prefix, checked) {
	elems = document.getElementsByTagName("input");
	for (var key in elems) {
		if (elems[key].type == "checkbox" && elems[key].name.substr(0,prefix.length) == prefix) {
			elems[key].checked = checked;
		}
	}
}

eXp.isOneSelected = function(prefix, enabledOnly) {
	if (typeof enabledOnly == "undefined") {
		enabledOnly = true;
	}
	elems = document.getElementsByTagName("input");
	for (var key in elems) {
		if (elems[key].type == "checkbox" && elems[key].name.substr(0,prefix.length) == prefix) {
			if (enabledOnly && elems[key].checked && !elems[key].disabled) return true;
			if (!enabledOnly && elems[key].checked) return true;
		}
	}
	return false;
}

eXp.i18n = function(i18n_string) {
	if(eXp._TR[i18n_string]) {
		i18n_string = eXp._TR[i18n_string];
	}
	return i18n_string;
}

//FJD - added for easier javascript debugging

function print_r(input, _indent)
{
	if(typeof(_indent) == 'string') {
		var indent = _indent + ' ';
		var paren_indent = _indent + ' ';
	} else {
		var indent = ' ';
		var paren_indent = '';
	}
	switch(typeof(input)) {
		case 'boolean':
			var output = (input ? 'true' : 'false') + "\n";
			break;
		case 'object':
			if ( input===null ) {
				var output = "null\n";
				break;
			}
			var output = ((input.reverse) ? 'Array' : 'Object') + " (\n";
			for(var i in input) {
				output += indent + "[" + i + "] => " + print_r(input[i], indent);
			}
			output += paren_indent + ")\n";
			break;
		case 'number':
		case 'string':
		default:
			var output = "" + input + "\n";
	}
	return output;
}

// This converts a javascript array to a string in PHP serialized format.
// This is useful for passing arrays to PHP. On the PHP side you can 
// unserialize this string from a cookie or request variable. 

function js_array_to_php_array (a)
{
	var a_php = "";
	var total = 0;
	for (var key in a)
	{
		++ total;
		a_php = a_php + "s:" +
				String(key).length + ":\"" + String(key) + "\";s:" +
				String(a[key]).length + ":\"" + String(a[key]) + "\";";
	}
	a_php = "a:" + total + ":{" + a_php + "}";
	return a_php;
}

function page(page) {
		var uri = 'index.php?module=travelmodule&_common=1&action=page&ajax_action=1' + '&page=' + page;
		YAHOO.util.Connect.asyncRequest('POST', uri, {
				success : function(o) {
						document.getElementById('page-objects').innerHTML= o.responseText;
				},
				failure : function(o) {
						alert('An error was encountered while processing your request. ' + o.statusText);
				},
				timeout : 5000
		});
}

function divtoggle(id) {
		el = document.getElementById(id);
		if (el.style.display == 'none') {
				el.style.display = 'block';
		} else {
				el.style.display = 'none';
		}
}

function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}