var DHTML = (document.getElementById || document.all || document.layers);

function getObj(nm)
{
  if (document.getElementById)   {  this.obj = document.getElementById(nm); }
  else if (document.all)                 { this.obj = document.all[nm]; }
  else if (document.layers)           { this.obj = document.layers[nm]; }
return this.obj;
}

function fObj(nm){
this.obj = document.forms[0].elements[nm];
return this.obj;
}