$(document).ready(function(){
	
	var currentBiz = 0;
	var selectPage = 0;
	var modPage = 0;
	var BizShow = 5;
	var BizWidth = $('#biz-slider-newsroom ul li').width();
	var BizLength = $('#biz-slider-newsroom ul li');
	var numberOfBiz = BizLength.length;

  	$('#biz-slider-newsroom ul').css('overflow', 'hidden');
	if(numberOfBiz >= BizShow){
		$('#biz-slider-newsroom ul').css('width', BizWidth * BizShow);
	}
	

  	BizLength
    	.wrapAll('<div id="slideInnerBiz"></div>')
		.css({
      		'width' : BizWidth
    	});

  	$('#slideInnerBiz').css('width', BizWidth * numberOfBiz);
	
	selectPage = $('#biz-slider-newsroom ul li').find('.active').attr('id');
  	if(!selectPage){ selectPage = 0; }
	modPage = parseInt(selectPage/BizShow);
	if( modPage > 0 && selectPage%BizShow == 0 ){
	  	currentBiz = (modPage-1)*BizShow;
	}else{
		currentBiz = modPage*BizShow;
	}
	
	//alert(modPage);
	$('#slideInnerBiz').css('marginLeft', BizWidth*(-currentBiz));
	
	//alert(selectPage);
	
  	manageControlsPhoto(currentBiz);

	$('#biz-slider-newsroom .control').bind('click', function(){
			currentBiz = ($(this).attr('id')=='right_control') ? currentBiz+BizShow : currentBiz-BizShow;
			manageControlsPhoto(currentBiz);
			
			$('#slideInnerBiz').animate({
				'marginLeft' : BizWidth*(-currentBiz)
			});
			
	});

  	function manageControlsPhoto(position){
	  	//count length all photo_thumb
	  	//var all_length = $("#biz-slider-newsroom ul").find("li").length;
		
		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();
		}
		
  }	
  
  
});