var isDHTML = 0;
var isLayers = 0;
var isALL = 0;
var isID = 0;

if (document.getElementById) {isID = 1; isDHTML = 1;}
else {
	if (document.all) {isALL = 1; isDHTML = 1;}
	else {
		browserVersion = parseInt(navigator.aapVersion);
	if ((navigator.appName.indexOf('Netscape') != -1) && (browser == 4)) {isLayers = 1; isDHTML = 1;}
	}
}

function checkDOM(objectID) {

if (isID) { return (document.getElementById(objectID).style) ; }
if (isALL) { return (document.all[objectID].style) ; }
if (isLayers) { return (document.layers[objectID]) ; }

}