function validate(thisForm)
{
	with (thisForm)
	{
		var alertMessage = "Please specify:\n";
		
		var fileExtension4 = File.value.substr(File.value.length - 4).toLowerCase();
		var fileExtension5 = File.value.substr(File.value.length - 5).toLowerCase();
		
		if (fileExtension4 != ".doc" && fileExtension5 != ".docx" && fileExtension4 != ".pdf" && fileExtension4 != ".rtf")
		{
			alertMessage += "\nA valid CV file type (.doc, .docx, .pdf or .rtf)";
		}

		if (Email.value == "") alertMessage += "\nEmail Address";
		if (File.value == "") alertMessage += "\nAttach CV";
		if (availability.value == "") alertMessage += "\nAvailability";

		if (alertMessage != "Please specify:\n")
		{
			alert(alertMessage);
			return false;
		}
		else
			return true;
	}
}