<!--
function validateThis() {
	if (demo.name.value == '' || demo.name.value == ' ') {
		alert("Please enter your name");
		demo.name.focus();
	} else if (demo.school.value == '' || demo.school.value == ' ') {
		alert("Please enter your school name");
		demo.school.focus();
	} else if (demo.title.value == '' || demo.title.value == ' ') {
		alert("Please enter your title or position");
		demo.title.focus();
	} else if (demo.email.value == '' || !isEmail(demo.email.value)) {
		alert("Please enter a valid email address");
		demo.email.focus();
	} else {
		demo.submit();
	}
}
function isEmail(string) {
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}
//-->