function validateContactForm(frm) {
	//var frm = frm.id;	
	var errorMessage = 'Could not submit the details due to the following error(s):\n\n';
	var isError = false;
	
	if(frm.firstname.value == 0) {		
		errorMessage += '- First name is missing.\n';
		isError = true;
		frm.firstname.value = '';
	}
	if(frm.LastName.value == 0) {		
		errorMessage += '- Last name is missing.\n';
		isError = true;
		frm.LastName.value = '';
	}
	if(frm.email.value == 0) {
		errorMessage += '- Email is missing.\n';	
		isError = true;
		frm.email.value = '';
	}
	if(frm.subject.value == 0) {
		errorMessage += '- Subject is missing.\n';	
		isError = true;
		frm.subject.value = '';
	}
	if(frm.feedback.value == 0) {
		errorMessage += '- Message is missing.\n';	
		isError = true;
		frm.feedback.value = '';
	}
	
	if(isError) {
		alert(errorMessage);
		return false;
	}
}