nl_tokens: / * Return the top position of an element
pl_tokens: function getElementTopPosition ( id ) { // Get actual position of element if nested var $scroller = getScroller ( ) , $container = $scroller . find ( '.page-inner' ) , $el = $scroller . find ( id ) , $parent = $el . offsetParent ( ) , dest = 0 ; // Exit early if we can't find any of those elements if ( any ( [ $scroller , $container , $el , $parent ] , isEmpty ) ) { return 0 ; } dest = $el . position ( ) . top ; // Note: this could be a while loop, but to avoid any chances of infinite loops // we'll limit the max iterations to 10 var MAX_ITERATIONS = 10 ; for ( var i = 0 ; i < MAX_ITERATIONS ; i ++ ) { // Stop when we find the element's ancestor just below $container // or if we hit the top of the dom (parent's parent is itself) if ( $parent . is ( $container ) || $parent . is ( $parent . offsetParent ( ) ) ) { break ; } // Go up the DOM tree, to the next parent $el = $parent ; dest += $el . position ( ) . top ; $parent = $el . offsetParent ( ) ; } // Return rounded value since // jQuery scrollTop() returns an integer return Math . floor ( <mask> ) ; }