A class for the lazy to add options to the general screen

options.php

<?php
class sOption {

	var $field;

	public function __construct( $name = 'setting', $label = 'Your Setting',  $type = 'text', $screen = 'general' )
	{
		$this->field->name   = $name;
		$this->field->type   = $type;
		$this->field->screen = $screen;
		$this->field->label  = $label;
        add_filter( 'admin_init' , array( &$this , 'register_fields' ) );
	}


    public function register_fields() 
    {
    	
        register_setting( $this->field->screen, $this->field->name, 'esc_attr' );
        add_settings_field( $this->field->name, '<label for="'.$this->field->name.'">'.__( $this->field->label , $this->field->name ).'</label>' , array(&$this, 'fields_html') , $this->field->screen );
    }
   
    public function fields_html() 
    {
        $value = get_option( $this->field->name, '' );
        switch ($this->field->type) {
        	case 'textarea':
        		echo '<textarea class="regular-text ltr" id="'.$this->field->name.'" name="'.$this->field->name.'">' . $value . '</textarea>';
        	break;

        	default :
        		echo '<input class="regular-text ltr" type="text" id="'.$this->field->name.'" name="'.$this->field->name.'" value="' . $value . '" />';
        	break;
        }
    }
}