function checkTheFields() {
	var errors = 0;   
	if(document.getElementById('name').value == '') errors++;
	if(document.getElementById('email').value == '') errors++;
	if(document.getElementById('subject').value == '') errors++;
	if(document.getElementById('remark').value == '') errors++;
	
	if(errors > 0) {
		alert('Please fill in al required fields');
		return false;
	}
}