function getElt () { if (is.nav4up) { var currentLayer = document.layers[getElt.arguments[0]]; for (var i=1; i<getElt.arguments.length && currentLayer; i++) { currentLayer = currentLayer.document.layers [getElt.arguments[i]]; } return currentLayer; } else if (is.ie4up) { var elt = eval('document.all.' + getElt.arguments [getElt.arguments.length-1]); return(elt); } }