<!--
// whitespace characters
var whitespace = " \t\n\r";

function CheckForm()
	{
//	alert("test" + this.contact.Name.value);
//	return checkEmail(this.contact.EmailAddress)
		if (this.contact.Name.value == "") {
		alert("Please enter your name");
		this.contact.Name.focus();
		return false;
		}
		
		if (this.contact.EmailAddress.value == "") {
		alert("Please enter your Email Address");
		this.contact.EmailAddress.focus();
		return false;
		}
		

		if (!isEmail(this.contact.EmailAddress.value)) 
		{
		alert("Please enter a valid Email Address");
	    this.contact.EmailAddress.focus();
	   	return false;
	   	}


	return true;
	}



function isEmail (s)
{   if (isEmpty(s)) 
       if (isEmail.arguments.length == 1) return false;
       else return (isEmail.arguments[1] == true);

    // is s whitespace?
    if (isWhitespace(s)) { alert("is white");
	return false;
	}
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;


}

function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}



// Returns true if string s is empty or 
// whitespace characters only.

function isWhitespace (s)

{   var i;

    // Is s empty?
    if (isEmpty(s)) return true;

    // Search through string's characters one by one
    // until we find a non-whitespace character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);

        if (whitespace.indexOf(c) == -1) return false;
    }

    // All characters are whitespace.
    return true;
}


-->