function validate() {
	var emailaddress=document.contactform.pineapple

	if (document.contactform.name.value=="") {
		alert("Please fill out the Name field.");
		document.contactform.name.focus();
		return false;
	}

	if (document.contactform.pineapple.value=="") {
		alert("Please fill out the Email field.");
		document.contactform.pineapple.focus();
		return false;
	}

	if (checkemail(emailaddress.value)==false){
		emailaddress.value="";
		emailaddress.focus();
		return false;
	}

	if (document.contactform.message.value=="") {
		alert("Please fill out the Comments field.");
		document.contactform.message.focus();
		return false;
	}

	document.contactform.submit();

}

function checkemail(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)

	if (str.indexOf(at)==-1){
		alert("Please enter a valid Email Address.");
		return false;
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		alert("Please enter a valid Email Address.");
		return false;
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Please enter a valid Email Address.");
		return false;
	}

	if (str.indexOf(at,(lat+1))!=-1){
		alert("Please enter a valid Email Address.");
		return false;
	}

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Please enter a valid Email Address.");
		return false;
	}

	if (str.indexOf(dot,(lat+2))==-1){
		alert("Please enter a valid Email Address.");
		return false;
	}
	
	if (str.indexOf(" ")!=-1){
		alert("Please enter a valid Email Address.");
		return false;
	}

	return true;
}