function validate() {

	if ( document.form3.firstname.value == "" )
    {
        alert ( "Please add your firstname" );
        return false;
    };
	if ( document.form3.lastname.value == "" )
    {
        alert ( "Please add your firstname" );
        return false;
    };
	if ( document.form3.address1.value == "" )
    {
        alert ( "Please add your address" );
        return false;
    };
	if ( document.form3.address3.value == "" )
    {
        alert ( "Please add your city" );
        return false; 
    };
	if ( document.form3.country_user.value == "" )
    {
        alert ( "Please add your country" );
       return false;
    };
	
	
	var filter = new RegExp(/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/);
	
		if (!filter.test(document.form3.email.value)) {
			alert ( "Please add a valid email" );
			return false;
		};
	
	
	

return true;

}