function getDocObj(elem,parent) {
		if (document.layers) {
			if (parent) { return "document."+parent+".document."+elem; }
		  else { return "document."+elem; }
		} 
		else if (document.all) {	return "document.all."+elem; }
		else if (document.getElementById) {	return "document.getElementById('"+elem+"')";	}
}

function getStyleObj(elem,parent) {
		if (document.layers) {
		  if (parent) { return "document."+parent+".document."+elem; }
		  else { return "document."+elem + ".style"; }
		} 
		else if (document.all) { return "document.all."+elem + ".style"; }
		else if (document.getElementById) { return "document.getElementById('"+elem+"').style"; }
}