The script goes here : getScroll.js
[codesyntax lang=”javascript”]
// get scroll information (cross-browser compatibility) function getScroll() { // t for top, l for left, w for width, h for height var t, l, w, h; if (document.documentElement && document.documentElement.scrollTop) { // IE6 standards compliant t = document.documentElement.scrollTop; l = document.documentElement.scrollLeft; w = document.documentElement.scrollWidth; h = document.documentElement.scrollHeight; } else if (document.body) { // DOM compliant t = document.body.scrollTop; l = document.body.scrollLeft; w = document.body.scrollWidth; h = document.body.scrollHeight; } else if (typeof(window.pageYOffset) == 'number') { // Netscape compliant t = window.pageYOffset; l = window.pageXOffset; w = window.innerWidth; h = window.innerHeight; } else { alert('Error!'); } return {t: t, l: l, w: w, h: h}; }
[/codesyntax]