function Trim(s) 
{
  // Remove leading spaces and carriage returns
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }
  // Remove trailing spaces and carriage returns
  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function validatesearchform()
{
	if(Trim(document.frmsearch.txtsearchtext.value)=='' || Trim(document.frmsearch.txtsearchtext.value)=='0')
	{
		alert('Please Enter Keyword for Search');
		document.frmsearch.txtsearchtext.value = "";
		document.frmsearch.txtsearchtext.focus();
		return false;
	}
	document.frmsearch.submit();
	return true;
}