safari mobile fixed footer bug function

safari_footer.js

Site.bottomjQueryPosition = function(footer){
	if($(window).outerWidth() < 768){
		// mobile screen
		var innerHeight = $(window).innerHeight()
		footer.css({ "top" : innerHeight - footer.outerHeight() + "px"})
	}else{
		return
	}
}

Site.bottomPosition = function(footer){
	if(window.outerWidth < 768){
		// mobile screen
		var innerHeight = window.innerHeight
		footer.style.top = (innerHeight - thisFooter.clientHeight - 1) + "px";
	}else{
		return
	}
}