var articleListObj;
var activeArticle = false;
var clickedArticle = false;
$(document).ready(function(){
	if(typeof(checkCookie)!="undefined"){
		checkCookie(); // it is on the page because of tag [jukebox]
	}
	var articleListObj = document.getElementById('articleList');
	if(articleListObj!=null){
		var articles = articleListObj.getElementsByTagName('LI');
		for(var no=0;no<articles.length;no++){
			articles[no].onmouseover = mouseoverArticle;
			articles[no].onclick = selectArticle;
		}
		contentObj = document.getElementById('contentContainer');
	}
})
function mouseoverArticle()	// Highlight article
{
	if(this==clickedArticle)return;
	if(activeArticle && activeArticle!=this){
		if(activeArticle==clickedArticle)
			activeArticle.className='articleClick';
		else
			activeArticle.className='';
		
	}
	this.className='articleMouseOver';
	activeArticle = this;	// Storing reference to this article
}
function showWaitMessage()
{
	$("#contentContainer").html("Finding article.....<br>Please wait");
}
function selectArticle()	// User have clicked on an article
{
	showWaitMessage();
	var article = this.id;
	var parts = article.split("/");
	if(clickedArticle && clickedArticle!=this) clickedArticle.className='articleMouseOver';
	this.className='articleClick';
	clickedArticle = this;
	var randVal	= Math.random(1000000);

	$.post(
		"/index.php",
		{
			pageMenu: parts[0],
			pageID: parts[1],
			randVal: randVal
		},
		function(txt){
			$("#contentContainer").html(txt);
		}
	)
}
var MyNewWindow;
function openPopUp(){
	if(MyNewWindow==null || typeof(MyNewWindow)=="undefined" || MyNewWindow.closed){
		var MyWidth=300
		var MyHeight=210
		var MyLeft=(screen.availWidth-MyWidth)/2;
		var MyTop=(screen.availHeight-MyHeight)/2;
		var MyFeatures='top='+MyTop+',left='+MyLeft+',resizable=no,width='+MyWidth+',height='+MyHeight;
		MyNewWindow=window.open('index.php?Option=jukebox','MyWindow',MyFeatures);
	}
	if(MyNewWindow==null || typeof(MyNewWindow)=="undefined"){
		alert("Ooops! Pls turn off PopUp blocker..")
	}else{
		MyNewWindow.focus()
	}
	var objJukebox = document.getElementById('jukebox');
	if(objJukebox!=null || typeof(objJukebox)!="undefined"){
		objJukebox.innerHTML = "<a href=\"javascript:openPopUp()\" style=\"color: #fff\">show jukebox</a>";
		setCookie("display_jukebox", "none");
	}
}
function setCookie(name, value, expires, path, domain, secure){
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
function getCookie(name){
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1){
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }else{
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1){
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}
function imgchange(name){
	if(document.images){
		document.image_big.src = "/files/galImages/_medium_" + name;
	}
}