document.submitForm = function ( form_name )
{
	var f = document.forms[ form_name ] ;

	if ( f != undefined )
	{
		f.submit() ;
		return false;
	} else
	{
		return true ;
	}
}


function radio_value(form_name, radio_name) 
{
    var r = document.forms[form_name][radio_name];
    
    if (r != undefined) 
    {
    	if ( r.length != undefined )
    	{
	        for (var i = 0; i < r.length; i++) 
	        {
	            if (r[i].checked == true) 
	            {
	                return r[i].value ;
	            }
	        }
	    } else if ( r.value != undefined )
	    {
	    	return r.value ;
	    }
    }
    return null;
}