/**************************************
 * Efectos no contido                 *
 *************************************/
//define where we are
var primaryPage = '';
var sPage = '';
var utilSpace;

// when loaded...
window.addEvent('load', function(){
	//tips
		addFooterTips();
		addTips();
	//hide loading layer
		hideLoading();
});
window.addEvent('domready', function(){
	//loading... 
	createOverlayLoading();
	showLoading();

	//External Links prepare
		externalLinksEvents();
});

/* ************** *
 *   Functions    *
 * ************** */
var createOverlayLoading = function() {
	// Create the overlay layer with loading band
	if(!$('overlay')) {
		var overlay = new Element('div', {
			'id' : 'overlay',
			'class': 'hidden'
		}).inject($('Body'));
		var loading = new Element('div', {
			'id' : 'loading',
			'class': 'hidden'
		}).inject($('overlay'));
		$('loading').set('text', 'Loading...');
		var imageLoad  = new Element('img', {
			'src' : '/images/loading.gif',
			'width' : '16',
			'height' : '16',
			'alt' : 'Loading...'
		}).inject($('loading'));
	}
	if($('overlay')) {
		$('loading').removeEvents();
		$('overlay').removeEvents();
		//events... to hide them
		$('loading').addEvent('click', hideLoading());
		$('overlay').addEvent('click', hideLoading());
	}
	return true;
};

var externalLinksEvents = function() {
	var extLinks = $$('.external', '.external2');
	extLinks.each(function(linkItem){
		linkItem.addEvent('click', function(){
			window.open(this.href);
			return false;
		});
	});
	
};

// Show loading
var showLoading = function() {
	if(!$('overlay')) {
		createOverlayLoading();
	}
	var overlay = $('overlay');
	var loading = $('loading');
	overlay.removeClass('hidden');
	loading.removeClass('hidden');
	//effects
	var myEf1 = new Fx.Morph(overlay, {link: 'chain',duration: 100,transition: Fx.Transitions.Quad.easeOut});
	myEf1.start({'opacity' : [0,0.6]});
	var myEf2 = new Fx.Morph(loading, {link: 'chain',duration: 50, transition: Fx.Transitions.Quad.easeOut});
	myEf2.start({'opacity' : [0.6,1]});
};

// hide loading... 
var hideLoading = function() {
	if(!$('overlay')) { return false; }

	var overlay = $('overlay');
	var loading = $('loading');
	var myEf1 = new Fx.Morph(overlay, {link: 'chain',duration: 1000,transition: Fx.Transitions.Quad.easeOut});
	myEf1.start({'opacity' : [0]});
	var myEf2 = new Fx.Morph(loading, {link: 'chain',duration: 500,transition: Fx.Transitions.Quad.easeOut,
			onComplete: function() {
				//hide...
				loading.addClass('hidden');
				//hide...
				overlay.addClass('hidden');
			}
	});
	myEf2.start({'opacity' : [0]});
};


/* **************************************** *
 * http://www.quirksmode.org/js/detect.html *
 * **************************************** */
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();