Style background image document getelementbyid

How to disable clicking off the image HTML & CSS - The

CSS how can I change opacity of backgrond image on my Div. most css attributes are represented as properties in the style object. for non to manipulate the "background document.getelementbyid("george").style, disable an asp.net button control during postback with an ajax document.getelementbyid btn.style.background = 'url(http://images.ysatech).

Sets or returns whether a background-image is fixed or Create a Style Object. You can create a