function checkRequiredFields(input)
{
	var requiredFields = new Array(	"first",
					"last",
					"email"
					);


	var fieldNames = new Array("First Name",
				"Last Name",
				"Email"
				);

	var fieldCheck   = true;
	var fieldsNeeded = "\nMake sure following fields are filled out:\n\n\t";

	for(var fieldNum=0; fieldNum < requiredFields.length; fieldNum++) 
	{
		if ((input.elements[requiredFields[fieldNum]].value == "") || (input.elements[requiredFields[fieldNum]].value == " ") || (input.elements[requiredFields[fieldNum]].value == "-- SELECT --")) 
		{
			fieldsNeeded += fieldNames[fieldNum] + "\n\t";
			fieldCheck = false;
		}
        }

	if (fieldCheck == true)
	{
		return true;
	}
	else
	{	
        	alert(fieldsNeeded);
		return false;
	}
}