var lvl = 0;

			var msie = false;
			if (navigator.userAgent.indexOf("MSIE") != -1) {
				msie = true;
			}

			function setSize() {
				var ps = document.getElementsByTagName("p");

				if (lvl < 0) {
					lvl = 0;
				}

				lvl++;
				if (lvl > 2) {
					lvl = lvl * -1;
				}

				for (var i = 0; i < ps.length; i++) {
					if (msie) {
						size = ps[i].currentStyle.fontSize;
					} else {
						size = window.getComputedStyle(ps[i], null).getPropertyValue('font-size');
					}

					if (size.indexOf("px") != -1) {
						ps[i].style.fontSize = parseInt(size.replace("px", "")) + (lvl * 4) + "px";
					} else if (size.indexOf("em") != -1) {
						ps[i].style.fontSize = parseFloat(size.replace("em", "")) + (lvl * 0.4) + "em";
					}
				}
			}