// max record: 10
for (iAvg=1;iAvg<=10;iAvg++)
{
    var res_r_avga = document.getElementById("res_r_avga" + iAvg);
    if (res_r_avga !=null)
    {    
        res_r_avga.onmouseout = function(){
             var irow = this.id.substr(this.id.length-1,1);
            if (irow=="0")
            {
                // id 的最后两位
                irow = "10";
            }
            document.getElementById("avgdiv" + irow).className = 'res_r_avgdiv';
            
        }
        
        res_r_avga.onmouseover = function(){
            var irow = this.id.substr(this.id.length-1,1);
            if (irow=="0")
            {
                // id 的最后两位
                irow = "10";
            }
            document.getElementById("avgdiv" + irow).className = 'res_r_avgdiv1';
        }
    }
}