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;

    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;       // Get length of string

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

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

  return s;
}

function Trimnew(str)
{
  return RTrim(LTrim(str));
}
function isValidEmail(str) {
		emailRe = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*\.(\w{2}|(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum))$/
		if (!emailRe.test(str))	
			return false;	
		else
			return true;				
	}