function validate()
{
	var form = document.getElementById('myform');
	var name, hphone, address, suburb;
	name = form.name.value;
	hphone = form.hphone.value;
	address = form.address.value;
	suburb = form.address.value;
	//Regex for digits
	var digitexp = new RegExp(/^\d+$/);
	
	if (name.length <= 0 || hphone.length <= 0 
		|| address.length <= 0 || suburb.length <= 0)
	{
		alert("You must fill in the required fields marked by a *");
		return false;
	}
	
	else if (digitexp.test(hphone) != true)
	{
		window.alert("Phone must be digits only");
		return false;
	}
}