function changeFontsize(fSize) {
	var tags = new Array("p", "h1", "h2", "h3", "input");
	fSize = parseInt(fSize);

	document.getElementById("td_content").style.fontSize = fSize+"px";

	for (var j=0; j<tags.length; j++) {
		var getElement = document.getElementsByTagName(tags[j]);
	  
		for (var i=0; i<getElement.length; i++) {
			var myfSize = fSize;
			var eachElement = getElement[i];

			if (tags[j] == "h1") myfSize += 6;
			if (tags[j] == "h2") myfSize += 2;
			if (tags[j] == "h3") myfSize += 1;

			eachElement.style.fontSize = myfSize + "px";
		}
	}
}

function fontSizeDialog() {
	if (document.getElementsByTagName) {
		document.write(" \
		<div class=\"textsize\"> \
		Schriftgröße:  \
		<a href=\"javascript:changeFontsize(10)\" style=\"font-size: 10px\" title=\"klein\">A</a> &middot;\
		<a href=\"javascript:changeFontsize(12)\" style=\"font-size: 12px\" title=\"mittel\">A</a> &middot;\
		<a href=\"javascript:changeFontsize(14)\" style=\"font-size: 14px\" title=\"groß\">A</a> \
		</div>");
	}
}