function fnTrapKD(btn, event){
 if (document.all){
  if (event.keyCode == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.click();
  }
 }
 else if (document.getElementById){
  if (event.which == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.click();
  }
 }
 else if(document.layers){
  if(event.which == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.click();
  }
 }
}

function LTrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {
      var j=0, i = s.length;
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      s = s.substring(j, i);
   }
   return s;
}

function RTrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {

      var i = s.length - 1;

      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;

      s = s.substring(0, i+1);
   }
   return s;
}

function Trim(str)
{
   return RTrim(LTrim(str));
}

function isBlank (value) 
{
	if (Trim(value) == '') 
		return true;
	else
		return false;
}