// 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 isNumberKey(evt)
	{
		var charCode = (evt.which) ? evt.which : event.keyCode
		if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode != 45 )
			return false;
		return true;
	}
	
function checkemail(myForm) {

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myForm.email.value)){
return (true)
}
alert("Invalid E-mail Address! Please re-enter.")
myForm.email.focus()
myForm.email.select()
return (false)
}