(function(a){a.fn.extend({positionFixedMobile:function(b){return this.each(function(){var c=this;this.initialize=function(){if(!!("ontouchstart" in window)){a.each(b,function(e,d){d.css({position:"absolute"})});window.setInterval(c.checkPos,1000);a("body").bind("orientationchange touchend.touchScroll touchcancel.touchScroll gestureend",c.checkPos)}};this.setPosition=function(){a.each(b,function(e,d){e==="footer"?d.css({top:window.innerHeight-parseInt(d.css("height"))+a(document).scrollTop()}):d.css({top:a(document).scrollTop()})})};this.checkPos=function(d){!d?c.setPosition():(d.type==="orientationchange"?c.setPosition:window.setTimeout(function(){c.setPosition()},500))};this.initialize()})}})})(jQuery);

$(document).positionFixedMobile({
	footer: $('#footer')
});