// Dynamically generate a link for sending email

function ema(name, user, dom, tld) {
	var host = location.hostname;
    if (host.replace(/www./i,"") != "information.tjhsst.edu") {
		document.write(name);
	}
    else {		
        var at = "@";
        var period = ".";
        var tag = "mail" + "to:" + rev(user) + at + rev(dom) + period + tld;
        document.write(name.link(tag));
	}
}

function rev(strIn) {
	var i;
	var strOut = "";
	for (i = strIn.length - 1; i >= 0; i--) { 
		strOut = strOut + strIn.charAt(i);
	}
	return strOut;
}