function validate_mailer_form(){
    var errors = '';
    if(document.x.name.value == ''){
    	errors += "- The field 'name' is mandatory.\n";
    }
    if(document.x.email.value == ''){
    	errors += "- The field 'email address' is mandatory.\n";
    }

    if(document.x.body.value == ''){
    	errors += "- The field 'message' is mandatory.\n";
    }

    if(errors){
    	alert("The following error(s) were encountered:\n\n" + errors);
    	return false;
    }
    return true;
}