Possible Duplicate:
Remove CSS from a Div using JQuery
we can set backgroung-image property of a div like-
var src = "images/download_selected.png";
$('div#link1').css('background-image', 'url(' + src + ')');
how can I remove backgrount-image or set background transparent?
From here : http://www.w3schools.com/css/pr_background-image.asp