function mkem(el, pt3, pt1, pt4, pt2) {
	var addr = pt2+String.fromCharCode(0x40)+pt3;
	var lnk = document.getElementById(el);
	addr = pt1+addr;
	addr += pt4;
	not = lnk.nextSibling;
	par = lnk.parentNode;
	par.removeChild(not);
	lnk.setAttribute('href', 'mailto:'+addr);
	lnk.replaceChild(document.createTextNode(addr),lnk.firstChild);
}