function check_submit()
 {
 if(!contact.name.value) {alert("Please enter your name.");contact.name.focus(); return false;}
 if(!contact.phone.value) {alert("Please enter your phone number.");contact.phone.focus(); return false;}
 if(!contact.email.value) {alert("Please enter your email address."); contact.email.focus(); return false;}

	var str1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.";
	var str0 = "!#$%&*+-./=?@^_`{|}"+str1;
	var email = contact.email.value;
	var w_flag ="N"
	var a = email.indexOf('@');
	if ( a <=0 || a == email.length -1 ) {
			alert("You entered an invalid email address.  Please enter it correctly.");
			contact.email.focus();
		return false;
	} 
 if(!contact.message.value) {alert("Please enter your message."); contact.message.focus(); return false;}
  return true;
  }