//首页
function tabSandBox() {
	$('#slideshow').cycle({
        fx:      'scrollLeft',
		speed:      400,
        timeout:     7000,
        pager:      '#pagination',
        //pagerEvent: 'mouseover',
		pauseOnPagerHover: true
    });
	/*$('#tabSandBox').cycle({
		fx:      'scrollLeft',
		speed:      300, 
    	timeout:  0,
		pager:  '#tabSandBoxNav', 
    	pagerAnchorBuilder: function(idx, slide) { 
        // return selector string for existing anchor 
        	return '#tabSandBoxNav li:eq(' + idx + ') a'; 
    	} 
	});	*/
};

$(function() {
	in_false = true;
	var maxsize = 5;
	var scrollbox = $('#tabNav');	
	var box_size = scrollbox.find("li").size();
	var box_width = scrollbox.children('li:first').width() + 4;
	var current = box_size;
	$('#next').click(function(){
		if(in_false){
			in_false = false;
			current -=maxsize;
			current = current<0?box_size:current;			
			var current_size = box_size-current;
			var slide_length = box_width*current_size;
			if(box_size>maxsize&&current>=0){	
				scrollbox.animate({'margin-left': -slide_length}, "slow");	
			}
			in_false = true;
		}
		 scrollbox.children('li').eq(current_size).find('a').trigger('click'); 
		 return false; 
	});
	$('#prev').click(function(){
		if(in_false){
			in_false = false;
			current +=maxsize;
			current = current>box_size?box_size:current;
			var current_size = box_size-current;
			var slide_length = box_width*current_size;
			if(box_size>maxsize&&current<=box_size){	
				scrollbox.animate({'margin-left': -slide_length}, "slow");	
			}
			in_false = true;
		}
		return false; 
	});
});