function validate_signUp() 
{
	var noUse = /[\(\)\<\>\,\;\:\\\/\"\[\]\$\£\&\%\*\`\_\@\¬\!\-\?\|]/
	var emailNoUse= /[ \(\)\<\>\,\;\:\\\/\"\[\]\$\£\&\%\*\`\¬\!\-\?\|]/
	var name = document.signUp.name.value;
	var mail = document.signUp.mail.value;
	atPosition =mail.indexOf("@");
	dotPosition =mail.lastIndexOf(".");
	
	valid = true; for (var i = 0; i < name.length; i++) 
	{
		var ch = name.substring(i, i + 1);
			if (((ch < "a" || "z" < ch) && (ch < "A" || "Z" < ch)) && ch != ' '&& ch != '.')
			{
				valid = false;
			}
	}
	if (name.length<1)
	{
		valid = false;
	}
	if (!valid)
	{
		alert("Please ammend your name");
	}

	if( (atPosition<1||dotPosition-atPosition<2)||( document.signUp.mail.value.match(emailNoUse) ) )

	{
		alert("Please ammend your email address");
		valid = false;
	}

	return valid;
}
/*This script and many more are available free online at
 Code from the JavaScript Source!! http://javascript.internet.com*/