www.gusucode.com > 200套html5精品模板1_50 > 200套html5精品模板1_50/025/js/jquery.fullbg.min.js

    /**
 * jQuery.fullBg
 * Version 1.0
 * Copyright (c) 2010 c.bavota - http://bavotasan.com
 * Dual licensed under MIT and GPL.
 * Date: 02/23/2010
**/
(function($){$.fn.fullBg=function(){var bgImg=$(this);bgImg.addClass('fullBg');function resizeImg(){var imgwidth=bgImg.width();var imgheight=bgImg.height();var winwidth=$(window).width();var winheight=$(window).height();var widthratio=winwidth/imgwidth;var heightratio=winheight/imgheight;var widthdiff=heightratio*imgwidth;var heightdiff=widthratio*imgheight;if(heightdiff>winheight){bgImg.css({width:winwidth+'px',height:heightdiff+'px'});}else{bgImg.css({width:widthdiff+'px',height:winheight+'px'});}}
resizeImg();$(window).resize(function(){resizeImg();});};})(jQuery)