- var tl = name == "Height" ? "Top" : "Left", // top or left
- br = name == "Height" ? "Bottom" : "Right"; // bottom or right
-
- // innerHeight and innerWidth
- jQuery.fn["inner" + name] = function(){
- return this[ name.toLowerCase() ]() +
- num(this, "padding" + tl) +
- num(this, "padding" + br);
- };
+jQuery.fn.extend({
+ position: function() {
+ var left = 0, top = 0, results;
+
+ if ( this[0] ) {
+ // Get *real* offsetParent
+ var offsetParent = this.offsetParent(),
+
+ // Get correct offsets
+ offset = this.offset(),
+ parentOffset = /^body|html$/i.test(offsetParent[0].tagName) ? { top: 0, left: 0 } : offsetParent.offset();
+
+ // Subtract element margins
+ // note: when an element has margin: auto the offsetLeft and marginLeft
+ // are the same in Safari causing offset.left to incorrectly be 0
+ offset.top -= num( this, 'marginTop' );
+ offset.left -= num( this, 'marginLeft' );
+
+ // Add offsetParent borders
+ parentOffset.top += num( offsetParent, 'borderTopWidth' );
+ parentOffset.left += num( offsetParent, 'borderLeftWidth' );
+
+ // Subtract the two offsets
+ results = {
+ top: offset.top - parentOffset.top,
+ left: offset.left - parentOffset.left
+ };
+ }
+
+ return results;
+ },
+
+ offsetParent: function() {
+ var offsetParent = this[0].offsetParent || document.body;
+ while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && jQuery.css(offsetParent, 'position') == 'static') )
+ offsetParent = offsetParent.offsetParent;
+ return jQuery(offsetParent);
+ }
+});
+
+
+// Create scrollLeft and scrollTop methods
+jQuery.each( ['Left', 'Top'], function(i, name) {
+ var method = 'scroll' + name;