function change(html)
{
  description.innerHTML=html
}


function showDiv(element)
{
  var divider = document.getElementById(element);
	
  divider.style.display = "block";
}

function hideDiv(element)
{
  var divider = document.getElementById(element);
		
  divider.style.display = "none";
}

function validate()
{
	var message="";
	var phoneExpression = /^\(?(\d{3})\)?[\.\-\/\s]?(\d{3})[\.\-\/\s]?(\d{4})$/;
        var emailExpression = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
	
	if (!document.eventForm.event.value)
	{
		if (message == "")
		{
			document.eventForm.event.focus();
		}
		message += "The Event Name\n"

	}
	
	if (!document.eventForm.sponsoringGroup.value)
	{
		if (message == "")
		{
			document.eventForm.sponsoringGroup.focus();
		}
		message += "Name of Group Sponsoring Event\n"

	}

	if (!document.eventForm.eventDate.value)
	{
		if (message == "")
		{
			document.eventForm.eventDate.focus();
		}
		message += "Date of Event\n"

	}

	if (!document.eventForm.eventLocation.value)
	{
		if (message == "")
		{
			document.eventForm.eventLocation.focus();
		}
		message += "Location of Event\n"

	}

	if (!document.eventForm.locationAddress.value)
	{
		if (message == "")
		{
			document.eventForm.locationAddress.focus();
		}
		message += "Location Address\n"
	}

	if (!document.eventForm.contactName.value)
	{
		if (message == "")
		{
			document.eventForm.contactName.focus();
		}
		message += "Contact Name\n"
	}
	if (!phoneExpression.test(document.eventForm.contactPhone.value))
		{
			if (message == "")
			{
				document.eventForm.contactPhone.focus();
			}
			message += "Contact Phone Number\n"
	
		}
	if (!message)
	{
		alert("Thank you, your event has been submitted!");
		return true;
	}
	else
	{
		alert("The Following are missing or invalid:\n\n" + message);
		return false;
	}
}