/**
 * jQuery.timers - Timer abstractions for jQuery
 * Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
 * Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
 * Date: 2009/08/13
 *
 * @author Blair Mitchelmore
 * @version 1.1.3
 *
 **/

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: {
		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, 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;
			
			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 (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 (!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);
	});
});

$.fn.delay = function( time, name ) {

    return this.queue( ( name || "fx" ), function() {
        var self = this;
        setTimeout(function() { $.dequeue(self); } , time );
    } );

};

/***********************************************************/

$(document).ready(function () {
  $('body.home #midnav ul li').each(function(num, elem) {
    var elemClass = this.className;
    $('#midnav ul li.' + elemClass + ' a, #home-teaser div.' + elemClass + ' a').data('chapter',elemClass).hover(
      function() {
        $('#midnav ul li.' + $(this).data('chapter') + ' a, #home-teaser div.' + $(this).data('chapter') + ' a').addClass('hover');
      },
      function() {
        $('#midnav ul li.' + $(this).data('chapter') + ' a, #home-teaser div.' + $(this).data('chapter') + ' a').removeClass('hover');
      }
    );
  });
  
  if(typeof newsItems != 'undefined' && newsItems.length > 1) {
    $('#ticker p a').data('news',newsItems).everyTime(5000,'news_rotation',function() {
      var news = $(this).data('news');
      news.push(news.shift());
      $(this).fadeOut('fast', function() {
        this.href = news[0].link;
        $(this).text(news[0].title).fadeIn('fast');
      });
      $(this).data('news',news);
    });
  }
  
  $('#search-input')
  .data('preset',$('#search-input').val())
  .focus(function() {
    if($(this).val() == $(this).data('preset')) $(this).val('');
  })
  .blur(function() {
    if($(this).val() == '') $(this).val($(this).data('preset'));
  })
  .parent().submit(function() {
    if($('#search-input').val() == '' || $('#search-input').val() == $('#search-input').data('preset'))
      return false;
    else
      return true;
  });

  $('#content .copy a[href^=#]').each(function() {
    this.href = document.location + this.hash;
  });
});