Setter
Defines code which is called to modify the value of a property. The variable val is defined as the value to set the property to.
Example:
    <property name="size">
      <setter>
       <![CDATA[
        var sz=parseInt(val);
        if (sz < 0) sz=0;
        if (sz > 100) sz=100;
        this.setAttribute("size",sz);
       ]]>
      </setter>
    </property>
Attributes:
| id | 
Attributes:
id
Type: element id, must be unique in the window
A unique identifier so that you can identify the setter with. You can use this as a parameter to getElementById and other DOM functions and to reference the element in style sheets.
