jquery check window size code example
Example: detecting screen width in jquery
var windowsize = $(window).width();
$(window).resize(function() {
var windowsize = $(window).width();
});
if (windowsize > 440) {
//if the window is greater than 440px wide then turn on jScrollPane..
$('#pane1').jScrollPane({
scrollbarWidth:15,
scrollbarMargin:52
});
}