function integersOnly(event) {
if(event.keyCode) {
	// for IE, e.keyCode or window.event.keyCode can be used
	key = event.keyCode; 
}
else {
	// netscape
	key = event.which; 
}
if(key==8)
	return true;
if (key<48||key>57)
	return false;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}