function validate_form ( myform )
{


    if ( myform.name.value == "" )
    {
        alert ( "Please enter your name" );
		myform.name.focus();
        return false;
    }




	if ( myform.email.value == "" )
    {
        alert ( "Please enter your email address" );
		myform.email.focus();
        return false;
    }
	
	
	
	
	
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	
	if ( myform.email.value.match(emailExp)) {
	}
	else {
		alert( "Please enter a valid email address");
		myform.email.focus();
		return false;
		}

	
	
	
	if ( myform.phone.value == "" )
    {
        alert ( "Please enter your phone number or enter 'none' if you want to withhold your number" );
		myform.phone.focus();
        return false;
    }
	
	
	
	
	
	
	if ( myform.message.value == "" )
    {
        alert ( "Please enter your query" );
		myform.message.focus();
        return false;
    }
	

	return true;

}