带有单引号字符串的DataBind不会调用javaScript函数

Scenario:- I've a Data List, loaded with with few images. Each image has its own distinct sting property ("Description") which is loaded from a database query. Now when there is a mouse-hover on any image, it calls a already defined OnClinetClick JS function. Thats JS function's parameter binds the "Description" of currently mouse hovered image. (pls refer the code) I've a Data List, loaded with with f