// dhtml.js (06.05.2000.1)
// Copyright  2000 Pulse I.T. Solutions Limited - www.pulseits.co.uk

// Screen metrics
var m_screenWidth = screen.width;
var m_screenHeight = screen.height;
var m_clientWidth;
var m_clientHeight;

// Browser sniffer
var m_browser = new browserSniffer ();

// Document Object Model
var doc, sty, htm;

if (m_browser.ie4) {
	doc = "document.all";
	sty = ".style";
	htm = "";
} else if (m_browser.ns4) {
	doc = "document";
	sty = "";
	htm = ".document";
}

function browserSniffer () {
	var 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)));
	this.ns2 = (this.ns && (this.major == 3));
	this.ns3 = (this.ns && (this.major == 3));
	this.ns4b = (this.ns && (this.minor < 4.04));
	this.ns4 = (this.ns && (this.major >= 4));
	this.ns6 = (navigator.userAgent.indexOf ("Gecko") > 0) ? 1 : 0;
	this.ie = (agent.indexOf("msie") != -1);
	this.ie3 = (this.ie && (this.major == 2));
	this.ie4 = (this.ie && (this.major >= 4));
	this.ie5 = (agent.indexOf('msie 5.')!=-1);
	this.ie6 = (agent.indexOf('msie 6.')!=-1);
	this.ie7 = (agent.indexOf('msie 7.')!=-1);
	this.op3 = (agent.indexOf("opera") != -1);
	this.win = (agent.indexOf("win")!=-1);
	this.mac = (agent.indexOf("mac")!=-1);
	this.unix = (agent.indexOf("x11")!=-1);
}