function linkemail(un) {
	var at = "@";
	var one = "mai";
	var two = "lto:";
	var mh = "spsco.com";
	if (linkemail.arguments.length == 2) {
		mh = linkemail.arguments[1];
	}
	document.write("<a href=\"" + one + two + un + at + mh + "\">" + un + at + mh + "<\/a>");  
}