/**
 * jQuery.fullBg
 * 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);
 
    function resizeImg() {
		var imgwidth = bgImg.width();
		var imgheight = bgImg.height();
		
/*
		var imgwidth = bgImg.attr('width');
		var imgheight = bgImg.attr('height');
*/
		
		var winwidth = $(window).width();
		var winheight = $(window).height();
		
		var widthratio = winwidth / imgwidth;
		var heightratio = winheight / imgheight;
		
		var widthdiff = Math.ceil(heightratio * imgwidth);
		var heightdiff = Math.ceil(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);