/**
 * @author Stéphane Roucheray 
 * @extends jquery
 */

jQuery(document).ready(function(){
	jQuery('#slider-stage').carousel('#next');
	jQuery(document).everyTime(10000, function() { slide() });
});

var panelH = 57;
function slideNews(num) {
	var posY = (num - 1) * panelH;
	$('#newsContainer').animate({
		top: -(posY)
		}, 500, 'linear', function() {});
	
	var newsAmt = jQuery("#newsLinkContainer").children();
	var numElmts = newsAmt.length;
	for(var i=1; i<=numElmts; i++) {
		$("#newsLink" + i).removeClass('selected');
	}
	$("#newsLink" + num).addClass('selected');
}

var isAnimating = false;
var firstElementOnViewPort;
var numElmts;
var elmnts;
var increment;
var sliderList;
var sizeFirstElmnt;
var shownInViewport;
	
jQuery.fn.carousel = function(next){
	sliderList = jQuery(this).children()[0];
	increment = jQuery(sliderList).children().outerWidth("true");
	elmnts = jQuery(sliderList).children();
	numElmts = elmnts.length;
	sizeFirstElmnt = increment;
	shownInViewport = Math.round(jQuery(this).width() / sizeFirstElmnt);
	firstElementOnViewPort=1;
	setURL();
	
	for (i = 0; i < shownInViewport; i++) {
		jQuery(sliderList).css('width',(numElmts+shownInViewport)*increment + increment + "px");
		jQuery(sliderList).append(jQuery(elmnts[i]).clone());
	}

	if (sliderList) {
		firstElementOnViewPort=1;
		jQuery(next).click(function(event){
			if (!isAnimating) {
				if (firstElementOnViewPort > numElmts) {
					firstElementOnViewPort = 2;
					jQuery(sliderList).css('left', "0px");
				}
				else {
					firstElementOnViewPort++;
				}
				jQuery(sliderList).animate({
					left: "-=" + increment,
					y: 0,
					queue: true
				}, "swing", function(){isAnimating = false;});
				isAnimating = true;
			}
			
			setURL();
		});
	}	
};

function setURL() {
	var curNum = firstElementOnViewPort - 1;
	if(curNum >= numElmts) {
		curNum = 0;
	}
	$(".buytix_btt").attr("href", url_links[curNum]);
}

function slide() {
	if (!isAnimating) {
		if (firstElementOnViewPort > numElmts) {
			firstElementOnViewPort = 2;
			jQuery(sliderList).css('left', "0px");
		}
		else {
			firstElementOnViewPort++;
		}
		jQuery(sliderList).animate({
			left: "-=" + increment,
			y: 0,
			queue: true
		}, "swing", function(){isAnimating = false;});
		isAnimating = true;
	}
	setURL();
}


//Timer codes

jQuery.fn.extend({
	everyTime: function(interval, label, fn, times, belay) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, times, belay);
		});
	},
	oneTime: function(interval, label, fn) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, 1);
		});
	},
	stopTime: function(label, fn) {
		return this.each(function() {
			jQuery.timer.remove(this, label, fn);
		});
	}
});

jQuery.extend({
	timer: {
		guid: 1,
		global: {},
		regex: /^([0-9]+)\s*(.*s)?$/,
		powers: {
			// Yeah this is major overkill...
			'ms': 1,
			'cs': 10,
			'ds': 100,
			's': 1000,
			'das': 10000,
			'hs': 100000,
			'ks': 1000000
		},
		timeParse: function(value) {
			if (value == undefined || value == null)
				return null;
			var result = this.regex.exec(jQuery.trim(value.toString()));
			if (result[2]) {
				var num = parseInt(result[1], 10);
				var mult = this.powers[result[2]] || 1;
				return num * mult;
			} else {
				return value;
			}
		},
		add: function(element, interval, label, fn, times, belay) {
			var counter = 0;
			
			if (jQuery.isFunction(label)) {
				if (!times) 
					times = fn;
				fn = label;
				label = interval;
			}
			
			interval = jQuery.timer.timeParse(interval);

			if (typeof interval != 'number' || isNaN(interval) || interval <= 0)
				return;

			if (times && times.constructor != Number) {
				belay = !!times;
				times = 0;
			}
			
			times = times || 0;
			belay = belay || false;
			
			if (!element.$timers) 
				element.$timers = {};
			
			if (!element.$timers[label])
				element.$timers[label] = {};
			
			fn.$timerID = fn.$timerID || this.guid++;
			
			var handler = function() {
				if (belay && this.inProgress) 
					return;
				this.inProgress = true;
				if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
					jQuery.timer.remove(element, label, fn);
				this.inProgress = false;
			};
			
			handler.$timerID = fn.$timerID;
			
			if (!element.$timers[label][fn.$timerID]) 
				element.$timers[label][fn.$timerID] = window.setInterval(handler,interval);
			
			if ( !this.global[label] )
				this.global[label] = [];
			this.global[label].push( element );
			
		},
		remove: function(element, label, fn) {
			var timers = element.$timers, ret;
			
			if ( timers ) {
				
				if (!label) {
					for ( label in timers )
						this.remove(element, label, fn);
				} else if ( timers[label] ) {
					if ( fn ) {
						if ( fn.$timerID ) {
							window.clearInterval(timers[label][fn.$timerID]);
							delete timers[label][fn.$timerID];
						}
					} else {
						for ( var fn in timers[label] ) {
							window.clearInterval(timers[label][fn]);
							delete timers[label][fn];
						}
					}
					
					for ( ret in timers[label] ) break;
					if ( !ret ) {
						ret = null;
						delete timers[label];
					}
				}
				
				for ( ret in timers ) break;
				if ( !ret ) 
					element.$timers = null;
			}
		}
	}
});

if (jQuery.browser.msie)
	jQuery(window).one("unload", function() {
		var global = jQuery.timer.global;
		for ( var label in global ) {
			var els = global[label], i = els.length;
			while ( --i )
				jQuery.timer.remove(els[i], label);
		}
	});