/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

/* Modified 20minutos */

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk) {
	$(domChunk).click(function() {
		tb_changeUrl(this); // 20minutos
		var t = this.title || this.name || '';
		var a = this.href || this.alt;
		tb_show(t,a);
		return false;
	});
}


function tb_show(caption, url) {//function called when the user clicks on a thickbox link

	try {
		if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
			$("body","html").css({height: "100%", width: "100%"});
			$("html").css("overflow", "hidden");
			$("select:visible").addClass("tb_selectHack").hide();
		}

		if(document.getElementById("TB_overlay") === null){
			$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
		}

		if(tb_detectMacXFF()){
			$("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
			$("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
		}

		var queryString = url.replace(/^[^\?]+\??/,'');
		var params = tb_parseQuery( queryString );

		TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
		TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
		ajaxContentW = TB_WIDTH - 30;
		ajaxContentH = TB_HEIGHT - 45;

		//iframe modal
		urlNoQuery = url.split('?TB_');
		$("#TB_iframeContent").remove();
		$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");

		tb_position();

	} catch(e) {
		//nothing here
	}
}

//helper functions below
function tb_remove() {
	// Optimization (use remove instead of fadeOut)
	// $("#TB_window").fadeOut("slow",function(){$('#TB_window,#TB_overlay').remove();});
	$('#TB_window,#TB_overlay').remove();

	if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow", "");
		$("select.tb_selectHack").removeClass("tb_selectHack").show();
	}
	return false;
}

function tb_position() {
	$("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	if ( !(typeof document.body.style.maxHeight === "undefined")) { // take away IE6
		$("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
	}
}

function tb_parseQuery ( query ) {
	var Params = {};
	if ( ! query ) {return Params;}// return empty object
	var Pairs = query.split(/[;&]/);
	for ( var i = 0; i < Pairs.length; i++ ) {
		var KeyVal = Pairs[i].split('=');
		if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
		var key = unescape( KeyVal[0] );
		var val = unescape( KeyVal[1] );
		val = val.replace(/\+/g, ' ');
		Params[key] = val;
	}
	return Params;
}

function tb_detectMacXFF() {
	var userAgent = navigator.userAgent.toLowerCase();
	if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
		return true;
	}
}

/* 20minutos new functions */

// Loads thickbox using the specified zone
function tb_activateLink(zone){
	var classLink = null;
	if (zone == 'usuario')
	{
		tb_init('#registro-user a.thickbox');
	}
	else if (zone == 'comentarios')
	{
		tb_init('#cab_reg a.thickbox, #iidd_form_reg a.thickbox');
	}
}

// Change URL to adapt it to 20minutos
function tb_changeUrl(a)
{
	var href= a.href;
	if (href != null && href.match(/TB_iframe/))
	{
		// URL is already changed
		// Do nothing
	}
	else
	{
		if (href.match(/usuarios\/identificacion/))
		{
			href += 'float/?TB_iframe=true&height=425&width=413&modal=true';
		}
		else if (href.match(/proc\/desconexion/))
		{
			href += 'float/?TB_iframe=true&height=208&width=395&modal=true';
		}
		a.href = href;
	}
}

// Manages timeouts to can force to close the iframe when a timeout was configured previously
var tb_timeout = null;

function tb_close()
{
	if (tb_timeout != null)
	{
		clearTimeout(tb_timeout);
		tb_timeout = null
	}
	tb_remove();
}

function tb_closeTimeout(func, seconds)
{
	tb_timeout = setTimeout(func, seconds);
}

// Thickbox iframe resize (tested with modal=true)
function tb_resize(height, width)
{
	var tb_iframe = document.getElementById('TB_iframeContent');
	if (tb_iframe && tb_iframe.contentWindow && tb_iframe.contentWindow.document)
	{
		tb_iframe.contentWindow.document.getElementsByTagName('body')[0].innerHTML = '';
	}

	TB_WIDTH = width + 30;
	TB_HEIGHT = height + 40;

	document.getElementById('TB_iframeContent').style.height = (TB_HEIGHT - 28) + 'px';
	document.getElementById('TB_iframeContent').style.width = (TB_WIDTH - 1) + 'px';

	tb_position();
}