$(document).ready(function() {
	$('#headerimage').css('display', 'none');
	var SiteTeasers = false;
	var CT = 0;
	$.getJSON(base_url+"/teasers/loadGrid/Y",
	function(data){
		$.each(data, function(i,item){ if(i == "rows") SiteTeasers = item; });
		if(SiteTeasers) {
			CT = randomFromTo(1, SiteTeasers.length) - 1;
			setNewTeaser();
			if(parseInt(TeaserRotationOn) == 1) {
				$('#headerimage').everyTime(parseInt(TeaserRotationTime), function(i) {
					$('#headerimage').animate({
						opacity: 0
					}, 800, null, function() {
						setNewTeaser();
					});
				});
			}
		} else {
			$('#headerimage').css('display', '');
		}
	});
	function setNewTeaser() {
		$("#headerimage").css('background', 'url("./vine/'+SiteTeasers[CT].image+'") no-repeat scroll center top transparent').css('cursor', 'pointer').show();
		$('#headerimage').animate({
			opacity: 1
		}, 800, null, function() {

		});
		var toUrl = SiteTeasers[CT].url;
		$("#headerimage").click(function() {
			window.location = toUrl;
		});
		CT++;
		if(CT == SiteTeasers.length) CT = 0;
	}    
});

function randomFromTo(from, to){
	return Math.floor(Math.random() * (to - from + 1) + from);
}
// Timer
jQuery.fn.extend({
	everyTime: function(interval, label, fn, times) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, times);
		});
	},
	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: {
		global: [],
		guid: 1,
		dataKey: "jQuery.timer",
		regex: /^([0-9]+(?:\.[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 = parseFloat(result[1]);
				var mult = this.powers[result[2]] || 1;
				return num * mult;
			} else {
				return value;
			}
		},
		add: function(element, interval, label, fn, times) {
			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 (typeof times != 'number' || isNaN(times) || times < 0) 
				times = 0;
			
			times = times || 0;
			
			var timers = jQuery.data(element, this.dataKey) || jQuery.data(element, this.dataKey, {});
			
			if (!timers[label])
				timers[label] = {};
			
			fn.timerID = fn.timerID || this.guid++;
			
			var handler = function() {
				if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
					jQuery.timer.remove(element, label, fn);
			};
			
			handler.timerID = fn.timerID;
			
			if (!timers[label][fn.timerID])
				timers[label][fn.timerID] = window.setInterval(handler,interval);
			
			this.global.push( element );
			
		},
		remove: function(element, label, fn) {
			var timers = jQuery.data(element, this.dataKey), 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 ) 
					jQuery.removeData(element, this.dataKey);
			}
		}
	}
});

jQuery(window).bind("unload", function() {
	jQuery.each(jQuery.timer.global, function(index, item) {
		jQuery.timer.remove(item);
	});
});