Scroll bar inside Jquery iframe_jquery

Copy code The code is as follows:

//Call function
var pagestyle = function() {
var rframe = $("#mainFrame");
//ie7 will have up and down scroll bars by default, remove the top and bottom 15 pixels
var h = $(window).height() - rframe.offset ().top - 15;
rframe.height(h);
}
//Register loading event
$("#mainFrame").load(pagestyle);
// Register window resize event
$(window).resize(pagestyle);