<script language="javascript" runat="server" >
function textCounter(field,maxleng){
    var j=0;
    var newStr = '';
    for(var i =0;i <field.length;i ++){
        if(field.substr(i,1).charCodeAt() > 255){
            j += 2;
        }else{
            j ++;
        }
        if(j > maxleng){
            newStr = field.substring(0,i);
            break;
        }else{
            newStr = field;
        }
    }
    return newStr;
}
</script>
<%
Dim str:str="wjiwjr rerjewjjfefefjfeiwfewifefewfewifeiisfewffdsfdsf"
Response.Write textCounter(str,10)&"..."

%>