function launch(newURL, newName, newFeatures, orgName) {
    var remote = open(newURL, newName, newFeatures);
    if (remote.opener == null) {
        remote.opener = window;
        remote.opener.name = orgName;
        return remote;
    }
}
     
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}