$(function(){

	biz_slider = function(){
		currentBiz = 0;
		selectPage = 0;
		modPage = 0;
		BizShow = 6;
		BizWidth = 36;
		BizLength = $('#biz-slider-newsroom ul li');
		numberOfBiz = BizLength.length;
		$('#slideInnerBiz').css('width', BizWidth * numberOfBiz);
		selectPage = $('#biz-slider-newsroom ul li.actived').find('a').attr('id');
		if(!selectPage){ 
			selectPage = 0; 
		}
		modPage = parseInt(selectPage/BizShow);
		if( modPage > 0 && selectPage%BizShow == 0 ){
			currentBiz = (modPage-1)*BizShow;
		}else{
			currentBiz = modPage*BizShow;
		}
		$('#slideInnerBiz').css('marginLeft', BizWidth*(-currentBiz));
		
		manageControlsPhoto(currentBiz);
	};
	
	manageControlsPhoto = function(position){
		if(position==0){ 
			$('#biz-slider-newsroom #left_control').hide();
		} 
		else{ 
			$('#biz-slider-newsroom #left_control').show();
		}
		if(position>=numberOfBiz-BizShow){ 
			$('#biz-slider-newsroom #right_control').hide();
		}
		else{ 
			$('#biz-slider-newsroom #right_control').show();
		}
	};
	
	currentBiz = 0;
	selectPage = 0;
	BizShow = 6;
	BizWidth = 36;
	
	$('body').on('click','#biz-slider-newsroom .control',function(){
		currentBiz = ($(this).attr('id')=='right_control') ? currentBiz+BizShow : currentBiz-BizShow;
		$('#slideInnerBiz').animate({
			'marginLeft' : BizWidth*(-currentBiz)
		});
		manageControlsPhoto(currentBiz);
		
	});
	
});