var txtjbo=new Array("","supply","purchase","product","corporation","brand","price","info","data","job");
  var objpath=window.location.pathname;
  var id=0;
  for(var i=0;i<=txtjbo.length;i++){
    if(objpath.toLowerCase().indexOf(txtjbo[i])>0){
        id=i;
     }
  }
  for(var i=0;i<=txtjbo.length;i++){
    if(i==id)
        document.getElementById("li"+i).className="current";
    else if(i!=0)
        document.getElementById("li"+i).className="co_bg";
    else
        document.getElementById("li"+i).className="";
  }