var isDOM = (document.getElementById) ? true : false;
var isNS4 = (document.layers) ? true : false;

var filename = '';
if (isDOM)
	filename = path + 'scripts/dom.js';

if (isNS4)
	filename = path + 'scripts/ns4.js';

document.write('<script language="JavaScript1.2" src="'+ filename +'" type="text/javascript"><\/script>');