function writeEmailLink(labelText, EmailPrefix)
{
   //construct Email address
   var realEmail = EmailPrefix;
   realEmail += "@";
   realEmail += "safetok"
   realEmail += ".com";
   
   //construct mailto tag
   var str= "<";
   str +="a href='mailto:";
   str += realEmail;
   str += "'>";
   
   if(labelText == undefined)
   {
	  str += realEmail;
   }
   else
   {
	  str += labelText;
   }
   str += "</";
   str +="a>";
   
   //write tag to the document
   document.write(str);
}