$(document).ready(function() {
	var viewportHeight = $(window).height();
	var vieportHeightPX = viewportHeight +'px';
	$("#iPad_frame").css({height:viewportHeight});
});

$(window).resize(function() {
	var viewportHeight = $(window).height();
	var vieportHeightPX = viewportHeight +'px';
	$("#iPad_frame").css({height:viewportHeight});
});