function validateForm() {
	if(document.contact.name.value=="")
	{alert("Please give your name.");
	document.contact.name.focus();return false;}
	if(document.contact.message.value=="")
	{alert("Please enter a message.");
	document.contact.message.focus();return false;}
	if(document.contact.email.value=="")
	{alert("Your email address is required.");
	document.contact.email.focus();return false;}	
	else if(document.contact.email.value.indexOf("@")==-1||document.contact.email.value.indexOf(".")==-1||document.contact.email.value.indexOf(" ")!=-1||document.contact.email.value.length<6)
	{alert("Please supply a valid email address otherwise your email will not reach us.");
	document.contact.email.focus();return false}
}