v2.4 20141004

Bug Fixes
---------
	* do entityify.head(). avoid problue cause by head containing < or >
	* next <option> not show if head is false and defVal not set. next option will be gen and show on demo12

	
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v2.3 20140930

Bug Fixes
---------
	* Add abort of setting to control ajax.abort() default value set to false, so DEMO3 and DEMO17 both work on the same page. thanks for 豆爸-逃逸的风<66340830@qq.com>
	
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v2.2 20140204

Bug Fixes
---------
	* defVal setting not works during all-level data fetching from ajax. thanks xiaogui32@osc
	
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v2.1 20130512

Bug Fixes
---------
	* selectedIdx calculate error when only one <option> item exists
	
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v2.0 20130508

Bug Fixes
---------
	* ajax_loader offset vaule set wrong cause window scroll display 
	* 1st <select> not fire ajax request when no local data passed

Add Features
---------
	+ add setting of 'dataReader' which define the key name of data, default value is object {id: 'id', name: 'name', cell: 'cell'}.
	detail see demo

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v1.33 20130425

Changes
---------
	* selStyle default value to blank
	* selClass set default value 'LinkageSel'


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v1.32 20130410

Changes
---------
	* Fix elm not exists when bindIdx is 0

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v1.31 20130322

Bug Fixes
---------
	* onChange() not fire when option value is null or blank

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v1.30 20130305

Add Features
---------
	+ Add setting key 'mvcQuery' (bool) default false. ajax request url compatible to MVC when set to true,
		eg. http://linkagesel.xiaozhong.biz/district/get_nodes/1		// true, and setting of 'ajax' set to 'district/get_nodes'
			http://linkagesel.xiaozhong.biz/district/get_nodes.php?id=1		// false

Bug Fixes
---------
	* generate HTML code of this.st.loaderImg . thanks to jeff-stric(jeff-stric.iteye.com)
	* this.st.loaderImg not escaped

Changes
---------
	* due to $.browser deprecated since jQuery v1.9, LinkageSel will trade IE6,7,8 as IE6 if no other plugin loaded such as jquery.mb.browser.js
	http://pupunzi.open-lab.com/2013/01/17/jquery-mb-browser-reintroduce-the-removed-browser-object-in-jquery-1-9/
	


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v1.24 20110730

changes
------------------
	* jQuery requirs update to v1.6

Bug Fixes
---------
	* ie6 delay problem，DEMO9 works not
	* <option> construct compatibility by string concat

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v1.22 20110540

Bug Fixes
---------
	* wrong assignment of ie6 validatition
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1.2 20100826 version

Bug Fixes
---------
	* page flashing on  jQueryUI.dialog if <option> item too lang under Firefox

Additions and changes
------------------
	* the function return instance objcet to support chain action which are changeValues(), onChange(), reset(), resetAll().
		eg. linkageSel.reset().changeValues([23, 2244]);
	* using recycle pool to reuse the <option> object deleted

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v1.1 20100824 version

Additions and changes
------------------
	* changeValues( Integer|Array , Boolean[option=false]) 1st param can be Array to set multi level select

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v1.0 20100810 First Release