(function (g) { g.fn.extend({ elastic: function () { var h = ["paddingTop", "paddingRight", "paddingBottom", "paddingLeft", "fontSize", "lineHeight", "fontFamily", "width", "fontWeight"]; return this.each(function () { function i(c, j) { curratedHeight = Math.floor(parseInt(c, 10)); a.height() != curratedHeight && a.css({ height: curratedHeight + "px", overflow: j }) } function k() { var c = a.val().replace(/&/g, "&amp;").replace(/ /g, "&nbsp;").replace(/<|>/g, "&gt;").replace(/\n/g, "<br />"), j = b.html().replace(/<br>/ig, "<br />"); if (c + "&nbsp;" != j) { b.html(c + "&nbsp;"); if (Math.abs(b.height() + l - a.height()) > 3) { c = b.height() + l; if (c >= d) i(d, "auto"); else c <= e ? i(e, "hidden") : i(c, "hidden") } } } if (this.type != "textarea") return false; var a = g(this), b = g("<div />").css({ position: "absolute", display: "none", "word-wrap": "break-word" }), l = parseInt(a.css("line-height"), 10) || parseInt(a.css("font-size"), "10"), e = parseInt(a.css("height"), 10) || l * 3, d = parseInt(a.css("max-height"), 10) || Number.MAX_VALUE, f = 0; if (d < 0) d = Number.MAX_VALUE; b.appendTo(a.parent()); for (f = h.length; f--; ) b.css(h[f].toString(), a.css(h[f].toString())); a.css({ overflow: "hidden" }); a.bind("keyup change cut paste", function () { k() }); a.bind("blur", function () { if (b.height() < d) b.height() > e ? a.height(b.height()) : a.height(e) }); a.live("input paste", function () { setTimeout(k, 250) }); k() }) } }) })(jQuery);