var percentage = json.job_status == 'completed' ? 100 :
json.job_size > 0 ? Math.floor(100 * json.progress / json.job_size) :
100;
- var bgproperty = (parseInt(percentage/2)*3-300)+"px 0px";
+ var bgproperty = (parseInt(percentage*2)-300)+"px 0px";
$("#jobprogress").css("background-position",bgproperty);
$("#jobprogresspercent").text(percentage);