// JavaScript Document


//REMOVES THE LEADING AND TRAILING BLANK SPACES IN STRING
function trim(inputString) {
	var returnString = inputString;
	var removeChar =' ';
	if (removeChar.length){
	  while(''+returnString.charAt(0)==' ')	{
		  returnString=returnString.substring(1,returnString.length);
		}
		while(''+returnString.charAt(returnString.length-1)==' '){
	    returnString=returnString.substring(0,returnString.length-1);
	  }
	}
	return returnString;
}

//CHECKS FOR A VALID EMAIL....
function isEmail(str) {
  // are regular expressions supported?
  var str1 = trim(str,' ');
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str1.indexOf(".") > 2) && (str1.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str1) && r2.test(str1));
}


function validateDate(fld) {

    var RegExPattern = /^(?=\d)(?:(?:(?:(?:(?:0?[13578]|1[02])(\/|-|\.)31)\1|(?:(?:0?[1,3-9]|1[0-2])(\/|-|\.)(?:29|30)\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})|(?:0?2(\/|-|\.)29\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))|(?:(?:0?[1-9])|(?:1[0-2]))(\/|-|\.)(?:0?[1-9]|1\d|2[0-8])\4(?:(?:1[6-9]|[2-9]\d)?\d{2}))($|\ (?=\d)))?(((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [AP]M))|([01]\d|2[0-3])(:[0-5]\d){1,2})?$/;
    var errorMessage = 'Please enter valid date as month, day, and four digit year.\nFormay mm/dd/yyyy.';
    if ((fld.value.match(RegExPattern)) && (fld.value!='')) {
		return(true)
		
    } else {
        alert(errorMessage);
        fld.focus();
		return(false)
	
    } 
}