var firstUlWidth = 0;
    var scrollAreaWidth = 899;
    var marginReset = 0;
    var rotate_interval;
    
    $(window).load(function() {
      
      var ulHandle = $('#logos ul');
      var liList = $('#logos > ul li');
      
      ulWidth = getUlWidth(liList);
      
      if(ulWidth>scrollAreaWidth){
        ulHandle.append(liList.slice(0,liList.size()).clone());
        ulHandle.css({width: ulWidth*2});
        marginReset = ulWidth;
        rotate_interval = setInterval(rotateLeft,15);
      }
		});
    
    function getUlWidth(liList){
      var ulWidthTemp = 0; 
      for (var iteration = 0; iteration<liList.size(); iteration++){
        ulWidthTemp += liList[iteration].offsetWidth;
      }
      return ulWidthTemp;
    }
    
    function rotateLeft() {
      var ulHandle = $('#logos ul');
      var ulWidth = ulHandle.css("width");
			var ulWidthNumb = parseInt(ulWidth.substring(0,ulWidth.length-2));
    

      var marginLeft = ulHandle.css("left");
			var marginLeftNumb = parseInt(marginLeft.substring(0,marginLeft.length-2));
			var newLeft = marginLeftNumb-(+1);

  		if(newLeft + marginReset< 0 ){
  			$('#logos ul').css('left', '0'); 
      }
      else{    
  			$('#logos ul').css('left',newLeft + 'px'); 
      }
    }