function schreiben(name, second, top) {
	var theaddy = name + "@" + second + "." + top;
	var thetext = (schreiben.arguments.length > 3) ? schreiben.arguments[3] : theaddy;
	document.write("<a href=\"" + "mai" + "lto:" + theaddy + "\">" + thetext + "</a>");
}
function eml() {
	schreiben ("rz", "govinda", "ch");
}