function getRadioButtonValue(radio) {
    var retVal="";
    for(var i=0; i<radio.length; i++) {
        if(radio[i].checked) {
            retVal=radio[i].value;
        }
    };
    return retVal;
}

function getListBoxValue(list) {
	var retVal = list.options[list.selectedIndex].value;
	return retVal;
}

/*
   PURPOSE: Remove leading blanks from our string.
   IN: str - the string we want to LTrim
*/
function LTrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(0)) != -1) {
      // We have a string with leading blank(s)...
      var j=0, i = s.length;
      // Iterate from the far left of string until we
      // don't have any more whitespace...
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      // Get the substring from the first non-whitespace
      // character to the end of the string...
      s = s.substring(j, i);
   }
   return s;
}

/*
==================================================================
RTrim(string) : Returns a copy of a string without trailing spaces.
==================================================================
*/
function RTrim(str)
{
   // We don't want to trip JUST spaces, but also tabs,
   // line feeds, etc.  Add anything else you want to
   // "trim" here in Whitespace
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      // We have a string with trailing blank(s)...
      var i = s.length - 1;       // Get length of string
      // Iterate from the far right of string until we
      // don't have any more whitespace...
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;

      // Get the substring from the front of the string to
      // where the last non-whitespace character is...
      s = s.substring(0, i+1);
   }
   return s;
}

/*
=============================================================
Trim(string) : Returns a copy of a string without leading or trailing spaces
=============================================================
*/
function Trim(str)
{
   return RTrim(LTrim(str));
}