<!--$Header: $ -->
//<SCRIPT LANGUAGE=javascript>
// navtest.js
// kommt aus ArcIMSparam

var aimsBrowserPresent=true;

var isNav4 = false;
var isNav5up = false;
var isNav = false;
var isIE = false;
var isIE55up = false;
if (navigator.appName == "Netscape") {
	isNav =true;
	if (navigator.appVersion.search("5.0") == -1)
		isNav4 = true;
	else isNav5up = true;
}else{
	isIE = true;
	if ((navigator.appVersion.search("MSIE 6.0") != -1)||(navigator.appVersion.search("MSIE 5.5") != -1)){
		isIE55up = true;
	}
}

function isundefined(testval){
	//do undefined check specific to browser.
	
	//IE 5.5 Up and Navigator
	if (isNav || isNav4 || isNav5up || isIE55up) {
		if (testval==undefined)
			return  true;
		else
			return false;
	}
	else {
		//IE 5.5 Down
		if (testval==null)
			return  true;
		else
			return false;
	}
}

// kommt aus ArcIMSparam
//</SCRIPT>

