function em(node, tipo) {
  var zyxa = "a" ;	
  var zyxb = "b" ;	
  var zyxc = "c" ;	
  var zyxd = "d" ;	
  var zyxg = "g" ;	
  var zyxh = "h" ;	
  var zyxi = "i" ;	
  var zyxe = "e" ;
  var zyxf = "f" ;
  var zyxl = "l" ;	
  var zyxm = "m" ;
  var zyxn = "n" ;
  var zyxo = "o" ;	
  var zyxr = "r" ;	
  var zyxp = "p" ;	
  var zyxq = "q" ;	
  var zyxs = "s" ;
  var zyxt = "t" ;	
  var zyxu = "u" ;	
  var zyxv = "v" ;	
  var zyxz = "z" ;	
  var zyxy = "y" ;	
  var zyxduep = ":" ;	
  var mt = zyxm + zyxa + zyxi + zyxl + zyxt + zyxo + zyxduep ;
  var zyxat = "@" ;
  var dm = zyxe + zyxs + zyxt + zyxe + zyxs + zyxy + zyxs ;
  var zyxpu = "." ;
  var suf = zyxi + zyxt ;
  var local = "" ;
  if (tipo=="1") {
    local = zyxe + zyxs + zyxt + zyxe + zyxs + zyxy + zyxs ;
  }
  else if (tipo=="2") {
    local = zyxi + zyxn + zyxf + zyxo ;
  } 
  else if (tipo=="3") {
    local = zyxp + zyxo + zyxs + zyxt + zyxa + zyxc + zyxe + zyxr + zyxt + zyxi + zyxf + zyxi + zyxc + zyxa + zyxt + zyxa ;    
  } 
  else if (tipo=="4") {
    local = zyxs + zyxu + zyxp + zyxp + zyxo + zyxr + zyxt + zyxo ;    
  } 
  else if (tipo=="5") {
    local = zyxu + zyxf + zyxf + zyxi + zyxc + zyxi + zyxo + zyxp + zyxe + zyxr + zyxs ;
  } 
  else if (tipo=="7") {
    local = zyxa + zyxm + zyxm + zyxi + zyxn + zyxi + zyxs + zyxt + zyxr + zyxa + zyxz + zyxi + zyxo + zyxn + zyxe ;
  } 
  var address = mt + local + zyxat 
  if (tipo=="3") {
	  address = address + zyxp + zyxe + zyxc + zyxpu + dm + zyxpu + suf ;
  }
  else {
	  address = address + dm + zyxpu + suf ;
  } 
  node.href = address ;
  return true;
}