var visname = "email"; 
  var recip01 = "office2"; 
  var recip02 = "valley.oaks"; 
  var dom02 = "vosupply.com"; 
  document.write("<a href=" + "mail" + "to:" + recip01 + "@" + dom02 + ">" + visname + " " + recip02 + "@" + dom02 + "</a>")