/*------------------------------------------------------------------------

# JA News 1.1.3 - June, 2007

# ------------------------------------------------------------------------

# Copyright (C) 2004-2007 J.O.O.M Solutions Co., Ltd. All Rights Reserved.

# @license - Copyrighted Commercial Software

# Author: J.O.O.M Solutions Co., Ltd

# Websites:  http://www.joomlart.com -  http://www.joomlancers.com

-------------------------------------------------------------------------*/

jahl.splitter = "5bd713552b1db9d703aa2e2963cc3733";

var xmlhttp;

/*@cc_on @*/

/*@if (@_jscript_version >= 5)

	try {

		xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");

	} catch (e) {

		try {

			xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");

		} catch (E) {

			xmlhttp=false;

		}

	}

@else

	xmlhttp=false;

@end @*/



if (!xmlhttp && typeof XMLHttpRequest!='undefined') {

	try {

		xmlhttp = new XMLHttpRequest();

	} catch (e) {

		xmlhttp=false;

	}

}



//~ function myXMLHttpRequest() {

	//~ var xmlhttplocal;

	//~ try {

		//~ xmlhttplocal= new ActiveXObject("Msxml2.XMLHTTP");

	//~ } catch (e) {

		//~ try {

			//~ xmlhttplocal= new ActiveXObject("Microsoft.XMLHTTP");

		//~ } catch (E) {

			//~ xmlhttplocal=false;

		//~ }

	//~ }



	//~ if (!xmlhttplocal && typeof XMLHttpRequest!='undefined') {

		//~ try {

			//~ var xmlhttplocal = new XMLHttpRequest();

		//~ } catch (e) {

			//~ var xmlhttplocal=false;

			//~ alert('couldn\'t create xmlhttp object');

		//~ }

	//~ }



	//~ return(xmlhttplocal);

//~ }



jahl.showNews = function(news, total, modid) {

	if (xmlhttp.readyState != 0 && xmlhttp.readyState != 4) return;

	xmlhttp.open('get', jahl.livesite + '/modules/ja_news/headlineloader.php?news=' + news + '&total=' + total + '&modid=' + modid);

	xmlhttp.onreadystatechange = jahl.handleHeadlineResponse;

	xmlhttp.send(null);

	document.getElementById("loading-indicator").style.display = "block";

	jahl.current = news;

	clearTimeout(jahl.timer);

}



jahl.handleHeadlineResponse = function() {

	if(xmlhttp.readyState == 4){

		if (xmlhttp.status == 200){

			jahl.text = xmlhttp.responseText;

			jahl.fadeOut();

		}

	}

}



jahl.div2show = "jahl-newsitem";



if (window.ActiveXObject) window.ie = window[window.XMLHttpRequest ? 'ie7' : 'ie6'] = true;

else if (document.childNodes && !document.all && !navigator.taintEnabled) window.khtml = true;

else if (document.getBoxObjectFor != null) window.gecko = true;



function jahlInit() {

	//~ jahl.ani = new Fx.Style(jahl.div2show, 'opacity', {duration: 300, unit: ""});

	jahl.ani = new jahl.effect(document.getElementById(jahl.div2show), {duration: 300, opacity: true});

	if (jahl.autoroll) jahl.timer = setTimeout(jahl.autoRoll, jahl.delaytime*1000);

}



jahl.addEvent = function(obj, evType, fn){

	if (obj.addEventListener) {

		obj.addEventListener(evType, fn, false);

		return true;

	} else if (obj.attachEvent) {

		var r = obj.attachEvent("on"+evType, fn);

		return r;

	} else {

		return false;

	}

}



jahl.addEvent( window, 'load', jahlInit );



jahl.fadeOut = function() {

	//~ jahl.ani.options.onComplete = jahlFadeIn

	jahl.ani.custom(jahl.ani.p.scrollHeight,0);

	jahl.fadeIn();

}



jahl.fadeIn = function() {

	if (jahl.ani.timer) {

		setTimeout(jahl.fadeIn, 20);

		return;

	}

	update = [];

	update = jahl.text.split(jahl.splitter);



	document.getElementById(jahl.div2show).innerHTML = update[0];

	jahl.ani.custom(0,jahl.ani.p.scrollHeight);

	document.getElementById("loading-indicator").style.display = "none";

	document.getElementById("jahl-indicator").innerHTML = "" + jahl.current + "/" + jahl.total;

	document.getElementById("jahl-next").title = "Next: " + update[1];

	document.getElementById("jahl-prev").title = "Previous: " + update[2];

	if (jahl.autoroll) jahl.timer = setTimeout(jahl.autoRoll, jahl.delaytime*1000);

}



jahl.switchRoll = function() {

	switcher = document.getElementById("jahl-switcher");

	if (jahl.autoroll) {

		switcher.src = jahl.livesite + "/modules/ja_news/play.png";

		switcher.alt = "Play";

		switcher.title = "Play";

		jahl.autoroll = false;

		clearTimeout(jahl.timer);

	} else {

		switcher.src = jahl.livesite + "/modules/ja_news/pause.png";

		switcher.alt = "Pause";

		switcher.title = "Pause";

		jahl.autoroll = true;

		jahl.timer = setTimeout(jahl.autoRoll, jahl.delaytime*1000);

	}



	jahl.setcookie("JAHL-AUTOROLL", jahl.autoroll ? 1 : 0, 365, "/");

}



jahl.autoRoll = function() {

	if (jahl.current == jahl.total) next = 1;

	else next = jahl.current+1;

	jahl.showNews(next, jahl.total, jahl.modid);

}



jahl.setcookie = function(name,value,expires,path,domain,secure) {

	var date = new Date();

	if (expires) {

		date.setTime(date.getTime() + expires*24*60*60*1000)

		expires = date;

	}

	var cookieString = name + "=" +escape(value) +

		( (expires) ? ";expires=" + expires.toGMTString() : "") +

		( (path) ? ";path=" + path : "") +

		( (domain) ? ";domain=" + domain : "") +

		( (secure) ? ";secure" : "");

	document.cookie = cookieString;

}



Function.prototype.jahlbind = function(object) {

	var __method = this;

	return function() {

		return __method.apply(object, arguments);

	}

}



jahl.effect = new Object();

jahl.effect = function(p, options) {

	this.p = p;

	this.options = options;

	this.timer = null;



	this.p.style.overflow = "hidden";

	this.p.setOpacity = function(opacity){

		if (opacity == 0){

			if(this.style.visibility != "hidden") this.style.visibility = "hidden";

		} else {

			if(this.style.visibility != "visible") this.style.visibility = "visible";

		}

		if (window.ie) {

			this.style.filter = "alpha(opacity=" + opacity*100 + ")";

			this.style.zoom = 1;

		}

		this.style.opacity = opacity;

	};



	this.step = function() {

		var time = (new Date).getTime();

		if (time > this.options.duration + this.startTime) {

			this.hnow = this.to;

			if (this.options.opacity) {

				if (this.from > this.to) this.onow = 0;

				else this.onow = 1;

			}

			clearInterval(this.timer);

			this.timer = null;

		} else {

			var Tpos = (time - this.startTime) / (this.options.duration);

			this.hnow = Tpos*(this.to-this.from) + this.from;

			if (this.options.opacity) {

				if (this.from > this.to) this.onow = 1 - Tpos;

				else this.onow = Tpos;

			}

		}

		this.change();

	};



	this.custom = function(from, to) {

		if (this.timer != null) return;

		this.from = from;

		this.to = to;

		this.startTime = (new Date).getTime();

		this.timer = setInterval(this.step.jahlbind(this), 13);

	};



	this.change = function() {

		// this.p.style.height = this.hnow + "px";

		this.p.setOpacity(this.onow);

	};



};