function testval() {
df=document.form;
	if (df.name.value=='') {alert('Please enter your name.'); df.name.focus(); return false;};
	if (df.loc) { // val blank location
		if (df.loc.value=='') {alert('Please enter your geographic location.'); df.loc.focus(); return false;};
	} else { // val email
		if (df.email.value.length<6 || df.email.value.lastIndexOf('@')<2 || (df.email.value.length-df.email.value.lastIndexOf('@'))<6 || (df.email.value.length-df.email.value.lastIndexOf('.'))<3 || df.email.value.lastIndexOf('.')==-1) {alert('Please enter your email address correctly.'); df.email.focus(); return false;};
	};
	if (df.mymsg.value=='') {alert('Please enter your message.'); df.mymsg.focus(); return false;};
}