var ver = navigator.appVersion; 
var len = ver.length;
for(iln = 0; iln < len; iln++) if (ver.charAt(iln) == "(") break;
	netscape = (ver.charAt(iln+1).toUpperCase() != "C");
	//this function traps the keystroke entered by the user.  If it is the Enter key then submit the form
	function keyDown(DnEvents) { // handles keypress
	// determines whether Netscape or Internet Explorer Tesing Harvest
	k = (netscape) ? DnEvents.which : window.event.keyCode;
	if (k == 13) { // enter key pressed
		document.forms[0].enterclicked.value = "yes";
		return document.forms[0].submit();
	}
	}
	document.onkeydown = keyDown; // work together to analyze keystrokes
	if (netscape) document.captureEvents(Event.KEYDOWN|Event.KEYUP);