Get/Set Z Index

function getEltZIndex (elt) 
{ if (is.nav4up) return(elt.zIndex);
  else if (is.ie4up) 
          return (elt.style.zIndex);
}


function setEltZIndex (elt, z) 
{ if (is.nav4up) elt.zIndex = z;
  else if (is.ie4up) elt.style.zIndex = z;
}

Speaker Notes