function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( (els[i].className).search(searchClass)!=-1) {
			classElements[j] = els[i];
			j++;
		}
	}

	if (classElements.length == 1)
			return classElements[0];

	return classElements;
}

function preloader(node) {

	// counter
	var i = 0;

	// create object
	imageObj = new Image();

	// set image list
	images = node.getElementsByTagName("img");

	// start preloading
	for(i=0; i<=images.length; i++){
		imageObj.src=images[i];
	}

}

function random_logo(){
	var logo_src = getElementsByClass('headerLogo');

	var randomnumber=Math.floor(Math.random()*6)+1;

	logo_src.src = '/themes/site_themes/yoopa/images/Logo_'+randomnumber+'.png';
}

function toggle_image(obj) {
	if ( obj.src.indexOf('_on') != -1 ) {
		obj.src = obj.src.replace('_on', '_off');
	}
	else {
		obj.src = obj.src.replace('_off', '_on');
	}
}

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();

function show(aId){
	document.getElementById(aId).style.display = 'block';
}
function hide(aId){
	document.getElementById(aId).style.display = 'none';
}
function visible(aId){
	document.getElementById(aId).style.visibility = 'visible';
}
function invisible(aId){
	document.getElementById(aId).style.visibility = 'hidden';
}


////////////////////////////////////////////////////////////////////////////////////////////////////////
// Ajax
////////////////////////////////////////////////////////////////////////////////////////////////////////
function get_incontournables() {
	$.ajax({
		type: 'GET',
		url: '/images/contents/incontournable.html',
		cache: true,
		async: true,
		success: function(msg){
			$('#incontournables').html(msg);
		}
	});
}
/* Inputs */
$(document).ready(function(){
	$('.inputReplace').focus(function(){
		if($(this).val()==$(this).attr('title'))
			$(this).val('');
	});
	$('.inputReplace').blur(function(){
		if($(this).val()=='')
			$(this).val($(this).attr('title'));
	});
});

function get_facebook_comment_count(xid) {
	$.ajax({
		type: 'GET',
		url: 'https://api.facebook.com/method/comments.get?xid='+xid+'&access_token=...',
		cache: true,
		async: true,
		success: function(data){
			alert(data);
		}
	});
}