// This method validates a form
function validate(myform) {
	if (!isFilled(myform.email)) {	
		alert("Please supply a valid email address.");
		return false;
	} else if (!isFilled(myform.address)) {
		alert("Please supply a property address.");
		return false;
	} else if (!isFilled(myform.name)) {
		alert("Please supply a name.");
		return false;		
	} else if (!isFilled(myform.select)) {
		alert("Please supply permission to enter premises.");
		return false;			
	} else if (!isFilled(myform.ssn)) {
		alert("Please enter the last 4 digits of your social security number.");
		return false;							
	} else {
	    return true;
	}
}

function isFilled(elm) {
	if (elm.value == "" || elm.value == " " || elm.value == null) {
		elm.focus();
		return false;
	} else {
		return true;
	}
}