function pop( pageName, width, height) 
{
  popup=open( pageName, "popup", "width=" + width + ",height=" + height);
  clean=0;
}


function popup(theURL,winName,features) 
{ //v2.0
  window.open(theURL,winName,features); 
}

function emptyField(efield) 
{ 
 efield.value = ""; 
}