// free to use just leave this copyright notice intact
// eddie traversa etraversa@dhtmlnirvana.com
// http://dhtmlnirvana.com/ 



function Is () {
	agent = navigator.userAgent.toLowerCase();
	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion); 
	this.ns = ((agent.indexOf('mozilla') != -1) &&
	(agent.indexOf('spoofer') == -1) &&
	(agent.indexOf('compatible') == -1) &&
	(agent.indexOf('opera') == -1) &&
	(agent.indexOf('webtv') == -1) &&
	(agent.indexOf('hotjava') == -1));
	this.ns2 = (this.ns && (this.major == 2));
	this.ns3 = (this.ns && (this.major == 3));
	this.ns4 = (this.ns && (this.major == 4));
	this.ns6 = (this.ns && (this.major >= 5));
	this.ff = agent.indexOf("firefox") != -1;
	this.opera = agent.indexOf("opera") != -1;
	this.ie = ((agent.indexOf("msie") != -1) &&
	(agent.indexOf("opera") == -1));
	this.ie3 = (this.ie && (this.major < 4));
	this.ie4 = (this.ie && (this.major == 4) &&
	(agent.indexOf("msie 4") != -1));
	this.ie5 = (this.ie && (this.major == 4) &&
	(agent.indexOf("msie 5.") != -1) &&
	(agent.indexOf("msie 5.5") == -1) &&
	(agent.indexOf("mac") == -1));
	this.iem5 = (this.ie && (this.major == 4) && 
	(agent.indexOf("msie 5.") != -1) && 
	(agent.indexOf("mac") != -1));
	this.ie55 = (this.ie && (this.major == 4) && 
	(agent.indexOf("msie 5.5") != -1));
	this.ie6 = (this.ie && (this.major == 4) && 
	(agent.indexOf("msie 6.") != -1));
	this.ie7 = (this.ie && (this.major == 4) && 
	(agent.indexOf("msie 7.0b") != -1));
	this.nsdom = (this.ns4 || this.ns6);
	this.ie5dom = (this.ie5 || this.iem5 || this.ie55);
	this.iedom = (this.ie4 || this.ie5dom || this.ie6);
	this.w3dom = (this.ns6 || this.ie6 ||this.ie7);
}

var is = new Is();

<!--
var message="";

///////////////////////////////////

function clickIE() {if (document.all) {(message);return true;}}

function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return true;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}

document.oncontextmenu=new Function("return true")
// -->