var homeSlider = {
	current : 1,
	total: 0,
	interval: '',
	intervalTime : 5000,//5000
	slideTime : 800,//800
	width:810,
	start : function(){
		
		if($('#BoxSlideCentral .inner .BoxNewsHomeSlider').length < 4){
			$('#SlideIz a').attr('href','javascript:;');
			$('#SlideDer a').attr('href','javascript:;');
			return;		
		}
		
		pages = Math.floor(parseInt($('#BoxSlideCentral .inner .BoxNewsHomeSlider').length)/3) + 1;
		$('#BoxSlideCentral .inner').css('width',((pages + 1) * homeSlider.width) + 'px');	
		homeSlider.total = pages;
		homeSlider.interval = setInterval(function(){ homeSlider.moveNext() },homeSlider.intervalTime);
		$('#SlideIz a').attr('href','javascript:;').click(function(){
			homeSlider.moveToTheLeft();
		});
		$('#SlideDer a').attr('href','javascript:;').click(function(){
			homeSlider.moveToTheRight();
		});
	},
	moveNext : function(){
		if(homeSlider.current == homeSlider.total){
			homeSlider.current = 1;	
		}else{
			homeSlider.current = homeSlider.current + 1;	
		}
		$('#BoxSlideCentral .inner').animate({'marginLeft':'-' + ((homeSlider.current - 1) * homeSlider.width) + 'px'},homeSlider.slideTime);
	},
	move : function(n){
		homeSlider.current = n;
		clearInterval(homeSlider.interval);
		$('#BoxSlideCentral .inner').animate({'marginLeft':'-' + ((homeSlider.current - 1) * homeSlider.width) + 'px'},homeSlider.slideTime);
	},
	moveToTheLeft : function(){
		if(homeSlider.current != 1){
			to = homeSlider.current - 1;
			homeSlider.move(to);	
		}
	},
	moveToTheRight : function(){
		if(homeSlider.current != homeSlider.total){
			to = homeSlider.current + 1;
			homeSlider.move(to);	
		}
	}
}

$(function(){
	if($('#BoxSlideCentral .inner').length > 0){
		homeSlider.start();
	}
});