function checkForm(frm){

		if(myform.realname.value==''){
		alert('Please enter your name.');
		myform.realname.focus();
		return false;
	}	
		if(myform.phone.value==''){
		alert('Please enter your contact phone number.');
		myform.phone.focus();
		return false;
	}
		if(myform.postcode.value==''){
		alert('Please enter your postcode');
		myform.postcode.focus();
		return false;
	}	
	
}