function ChangEsc(str,name,count)
 {
 for(i=1;i<=count;i++)
 {
     document.getElementById(name+i).className="ClassList2"; 
  
 }
 document.getElementById(name+str).className="ClassList"; 
 }
 
  function  ChangHome(str,name,count)
 {
 for(i=1;i<=count;i++)
 {
     document.getElementById(name+i).className="dd"; 
  
 }
 document.getElementById(name+str).className="home_fff"; 
 }