"Browser Detection" Version 2

var browserOK = false;
var pics;

</SCRIPT>

<SCRIPT LANGUAGE="JavaScript1.1">

// JavaScript 1.1 browser - oh yes!
browserOK = true;
pics = new Array();

</SCRIPT>

<SCRIPT LANGUAGE="JavaScript">

if (browserOK) {
     var displayOn = new Image();
     displayOn.src = "images/displayOn.gif";
}

Actual Code at Work with Explanation