Specifies that the item being registered via the xajax->register function is a object who’s methods will be callable from the browser.

Specifies that the parameter will consist of a boolean value of a checkbox.

Specifies that the parameter value will be the innerHTML value of the element.

Specifies that the item being registered via the xajax->register function is an event.

Specifies that the item being registered via the xajax->register function is an event handler.

Specifies that the parameter will consist of an array of form values.

Specifies that the item being registered via the xajax->register function is a php function available at global scope, or a specific function from an instance of an object.

Defines the doctype of the current document; this will effect how the HTML is formatted when the html control library is used to construct html documents and fragments.

Specifies that the parameter will contain the value of an input control.

Specifies that the parameter will be a non-quoted value (evaluated by the browsers javascript engine at run time.

Specifies that the parameter will be a quoted value (string).