function SubString(s,maxnum,oDiv){
 var ret=true;
 var pos = s.length;
 var len = 0;
 var retStr;
 for(var i=0;i<s.length;i++)
 {
  if(isNaN(s.charCodeAt(i)))
  {
   break;
  }
  ret = s.charCodeAt(i)>=10000;
  if(ret == true)
  {
   len += 2;
  }else
  {
   len += 1;
  }
  if(len > maxnum * 2)
  {
   pos =  i;   
   break;
  }
 }
 if(pos == s.length)
 {
  retStr = s;
 }else
 {
  retStr = s.substring(0,pos) + "...";
 }
 return retStr;
}