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@Alwaison
Created May 7, 2012 10:49
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Window Scroll position
// Window scroll position in Javascript
// Extract from http://www.softcomplex.com/docs/get_window_size_and_scrollbar_position.html
function f_clientWidth() {
return f_filterResults (
window.innerWidth ? window.innerWidth : 0,
document.documentElement ? document.documentElement.clientWidth : 0,
document.body ? document.body.clientWidth : 0
);
}
function f_clientHeight() {
return f_filterResults (
window.innerHeight ? window.innerHeight : 0,
document.documentElement ? document.documentElement.clientHeight : 0,
document.body ? document.body.clientHeight : 0
);
}
function f_scrollLeft() {
return f_filterResults (
window.pageXOffset ? window.pageXOffset : 0,
document.documentElement ? document.documentElement.scrollLeft : 0,
document.body ? document.body.scrollLeft : 0
);
}
function f_scrollTop() {
return f_filterResults (
window.pageYOffset ? window.pageYOffset : 0,
document.documentElement ? document.documentElement.scrollTop : 0,
document.body ? document.body.scrollTop : 0
);
}
function f_filterResults(n_win, n_docel, n_body) {
var n_result = n_win ? n_win : 0;
if (n_docel && (!n_result || (n_result > n_docel)))
n_result = n_docel;
return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}
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