function validate(form) {
	var isvalid = true;

	var ename = document.getElementById("ename");
	var edepartment = document.getElementById("edepartment");
	var eemail = document.getElementById("eemail");
	var etypeprinting = document.getElementById("etypeprinting");
	var eeventtitle = document.getElementById("eeventtitle");
	var eeventdate = document.getElementById("eeventdate");
	var eeventtime = document.getElementById("eeventtime");
	var elocation = document.getElementById("elocation");
	var etickets = document.getElementById("etickets");
	var efree = document.getElementById("efree");
	var espeakername = document.getElementById("espeakername");
	var espeakertitle = document.getElementById("espeakertitle");
	var espeakerbio = document.getElementById("espeakerbio");
	var esponsoredby = document.getElementById("esponsoredby");
	
	ename.style.display = "none";
	edepartment.style.display = "none";
	eemail.style.display = "none";
	etypeprinting.style.display = "none";
	eeventtitle.style.display = "none";
	eeventdate.style.display = "none";
	eeventtime.style.display = "none";
	elocation.style.display = "none";
	etickets .style.display = "none";
	efree.style.display = "none";
	espeakername.style.display = "none";
	espeakertitle.style.display = "none";
	espeakerbio.style.display = "none";
	esponsoredby.style.display = "none";
	
	
	if (
		form.name.value == "" ||
		form.name.value == " "
	)	
	{
		ename.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.department.value == "" ||
		form.department.value == " "
	)	
	{
		edepartment.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.email.value == "" ||
		form.email.value == " " ||
		form.email.value.indexOf("@") == "-1" ||
		form.email.value.indexOf(".") == "-1"
	)	
	{
		eemail.style.display = "inline";
		isvalid = false; 
	}

	var foundTypePrinting = false;
	var r = form.typeprinting;
	for (var i=0; i<r.length; i++) {
		if (r[i].checked) { foundTypePrinting = true; } 
	}
	if (!foundTypePrinting) {
		etypeprinting.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.eventtitle.value == "" || 
		form.eventitle.value == " "
	)	
	{
		eeventtitle.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.eventdate.value == "" || 
		form.eventdate.value == " "
	)	
	{
		eeventdate.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.eventtime.value == "" || 
		form.eventtime.value == " "
	)	
	{
		eeventtime.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.location.value == "" || 
		form.location.value == " "
	)	
	{
		elocation.style.display = "inline";
		isvalid = false; 
	}

	var foundTicketsRequired = false;
	var r = form.tickets;
	for (var i=0; i<r.length; i++) {
		if (r[i].checked) { foundTicketsRequired = true; } 
	}
	if (!foundTicketsRequired) {
		etickets.style.display = "inline";
		isvalid = false; 
	}

	var foundFree = false;
	var r = form.free;
	for (var i=0; i<r.length; i++) {
		if (r[i].checked) { foundFree = true; } 
	}
	if (!foundFree) {
		efree.style.display = "inline";
		isvalid = false; 
	}


	if (
		form.speakername.value == "" || 
		form.speakername.value == " "
	)	
	{
		espeakername.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.speakertitle.value == "" || 
		form.speakertitle.value == " "
	)	
	{
		espeakertitle.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.speakerbio.value == "" || 
		form.speakerbio.value == " "
	)	
	{
		espeakerbio.style.display = "inline";
		isvalid = false; 
	}

	if (
		form.sponsoredby.value == "" || 
		form.sponsoredby.value == " "
	)	
	{
		esponsoredby.style.display = "inline";
		isvalid = false; 
	}

	return isvalid;
}