function emailCloak(systemname) {
	if (document.getElementById) {
		var alltags = document.all? document.all : document.getElementsByTagName("*");
		for (i=0; i < alltags.length; i++) {
			if (alltags[i].className == "emailCloak") {
				var oldText = alltags[i].firstChild;
				var emailAddress = alltags[i].firstChild.nodeValue;
				var usr = emailAddress.substring(0, emailAddress.indexOf("("));
				var wb = emailAddress.substring(emailAddress.indexOf(")")+1, emailAddress.length);
				var newText = usr+"@"+wb;
				var a = document.createElement("a");
				a.href = "mailto:"+systemname+"%20%3C"+newText+"%3E";

				var address = document.createTextNode(newText);
				a.appendChild(address);
				alltags[i].replaceChild(a,oldText);
			}
		}
	}
}