function validateForm() {

	var checker  = 0;
	var checker2 = 0;
	var emailID=document.rform.email;

	if ((document.rform.name.value == "") || (document.rform.name.value == "Name") || (document.rform.email.value == "") || (document.rform.email.value == "Email") || (document.rform.who.value == "") || (document.rform.who.value == "Instructor or Enthusiast?")) {
		checker = 1;
	}
	if (echeck(document.rform.email.value)==false) {
		checker2 = 2;
	}

	if (checker == 1) {
		alert("Please complete all the form fields.\n\n");
		return false;
	} else if (checker2 == 2) {
		alert("Please enter a valid email address.");
		return false;
	} else {
		window.open('', 'foo', 'width=400,height=200,status=no,resizable=yes,scrollbars=yes')
		return true;
	}
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }

		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true
	}