radio checked function

Hello,

I have a function that I call that tells me the checked value of a group of radio boxes. You pass in the form name and radio group name and it gives you the value of the one that is checked.

I have a dynamic list of existing shipto addresses that a user can select one in order to have something shipped to a previously used shipto address. If I have more than one, my code works but if there is only one radio option and they click it, the object is deemed undefined. I need for this function to handle a single radio option on the page as it is possible in some cases.

Here is my code

[CODE]
function get_radio_checked_value( form_name, radio_name )
{
var radioObj = document.forms[ form_name ].elements[ radio_name ];
for(var i = 0; i < radioObj.length; i++)
{
if(radioObj[i].checked)
return radioObj[i].value;
}
}[/CODE]

And my usage is usually like this

[CODE]var tempradio = get_radio_checked_value( ‘frm_shipto’, ‘rad_shipto’ );[/CODE]

In the above example if I have more than one address / radio option, tempradio holds the correct value otherwise if just one address available it holds undefined

Any help would be greatly appreciated.

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