var slider = {
		is_ie: navigator.userAgent.indexOf('MSIE') > 0,
		attr: {
			onClick: navigator.userAgent.indexOf('MSIE') >0 ? 'onclick' : 'onClick'
		},
		home: {
				header: {}
		}
}

slider.home.header = {
	openedItem: 1,
	maxNum: 4,
	mouse_over: 0,
	items: [],
	
	expand: function( itemNum, from_timer ) {
		var obj = slider.home.header;
		
		if( from_timer && obj.mouse_over==1 ) return;
			
		var number 		= this.items[ itemNum ][0];

				
		if( number == (this.openedItem-1) && !from_timer ) return;
			slider.home.header.openedItem = number+1;
		
		$('#sizzles img').fadeOut();
		
		$('#sizzleImg0').stop();
		$('#sizzleImg'+number).fadeIn();
		
		$('.sizzle_title').animate({marginTop:'300px',queue:true});
		
		
		$('#sizzle_items a').css('color', '#fff');
		$('#sizzle_item_'+number).css('color', '#fff');	
		$('#sizzle_items a').removeClass('showpagePoint').addClass('showpageNum');		
		$('#sizzle_item_'+number).removeClass('showpageNum').addClass('showpagePoint');
		$('#sizzle_title'+number).animate({marginTop:'170px',queue:true});
	
		if( number >= slider.home.header.maxNum )
			this.openedItem = 0;			
	},
	
	set_timer:function(){
		this.timer();
		$('#subHeader').hover(
		  function () {
			  	slider.home.header.mouse_over = 1;
				$('#learnMoreContainer .inner').show().animate({marginTop:'0px',queue:false,opacity:1},250);
		  }, 
		  function () {
				slider.home.header.mouse_over = 0;
				$('#learnMoreContainer .inner').animate({marginTop:'20px',queue:false,opacity:0},500);
		  }
		);

	},
	
	timer: function(){
		var bs = slider.home.header;
		if( !this.interval )
			this.interval = setInterval(function(){ 
					var item = bs.items[bs.openedItem];
					bs.expand(item[0], 1); 
				},7000);
	},
	
	kill_timer: function(){
		clearInterval(slider.home.header.interval);
		slider.home.header.interval = null;	
	}
}