// 0 ? 1: -1; content.style.height = (content.style.height.pxToNum() + dist) + "px"; if (Math.abs(content.style.height.pxToNum() - tarH) <= range ) { clearInterval(interval); content.style.height = tarH + "px"; if (tarH != 0) { showS() } else { hiddenS(); } } } } var $ = function($) {return document.getElementById($)}; String.prototype.pxToNum = function() {return Number(this.replace("px",""))} function getFirstChild(obj) { var result = obj.firstChild; while (!result.tagName) { result = result.nextSibling; } return result; } function getNextChild(obj) { var result = obj.nextSibling; while (!result.tagName) { result = result.nextSibling; } return result; } //]]>