// Controleer browser versie
var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);

//alert(navigator.userAgent);
//if (ns4) {alert('NS4');}
//if (ns6) {alert('NS6');}
//if (ie4) {alert('IE4');}
//if (ie5) {alert('IE5');}

function get_elt(id)
{
//alert('getting element ' + id + ' (before)');
	// Netscape 4
	if(ns4)
	{
		obj = document.layers[id];
	}
	// Explorer 4
	else if(ie4)
	{
		obj = document.all[id];
	}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6)
	{
		obj = document.getElementById(id);
	}

	//alert(obj.id);

	return(obj);
}