function checkForm(){
	if(document.form1.name.value==""){
		alert("Please enter your name.");
		return false;
	}
	if(document.form1.emailaddress.value==""){
		alert("Please enter your email.");
		return false;
	}
	if(document.form1.comments.value == ""){
		alert("Please enter your comments.");
		return false;
	}
	return(checkEmail());
}

function checkEmail() {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.form1.emailaddress.value)){
return (true);
}
alert("Invalid E-mail Address! Please re-enter.");
document.form1.emailaddress.value="";
document.form1.emailaddress.focus();
return (false);
}