javascript取radiobuttonlist

rblType.Attributes["onclick"] = "javascript:getRadioSelectedValue('"+rblType.ClientID +"');";

 

 

function getRadioSelectedValue(objname)
{
    var radioList=document.getElementById(objname);
    var options = radioList.getElementsByTagName('input');
    var fa;
    for(i=0;i<options.length;i++)
    {
         var opt = options[i];
         if(opt.checked)
         {
             if(i==0)
             {
    //alert('0');
                document.getElementById('tel').style.display='none';
                document.getElementById('comment').style.display='';
                document.getElementById('firstshow').style.display='';
             }
             else
             {
         
                document.getElementById('tel').style.display='';
                document.getElementById('comment').style.display='none';
                document.getElementById('firstshow').style.display='none';
             }
             break;
         }
    }
}