var isDHTML = 0;
var isID = 0;
var isAll = 0;
var isLayers = 0;
var newsDown = 0;

// browser parser
if (document.getElementById) {
	isID = 1; isDHTML = 1;
} else {
	if (document.all) {
		isAll = 1; isDHTML = 1;
	} else {
		browserVersion = parseInt(navigator.appVersion);
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {
			isLayers = 1; isDHTML = 1;
		}
	}
}

// enables DOM control
function findDOM(objectID,withStyle) {
	if (withStyle == 1) {
		if (isID) { return (document.getElementById(objectID).style) ; }
		else { 
			if (isAll) { return (document.all[objectID].style); }
		else {
			if (isLayers) { return (document.layers[objectID]); }
		};}
	}	
	else {
		if (isID) { return (document.getElementById(objectID)) ; }
		else { 
			if (isAll) { return (document.all[objectID]); }
		else {
			if (isLayers) { return (document.layers[objectID]); }
		};}
	}
}

// toggles newsletter drop down
function newsToggle() {
	if (newsDown == 0){
		newsLetterToggle = findDOM('newsLetter',1);
		newsLetterToggle.visibility = 'visible';
		newsDown = 1;
	} else {
		newsLetterToggle = findDOM('newsLetter',1);
		newsLetterToggle.visibility = 'hidden';
		newsDown = 0;
	}
}

// browser sniff
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)));
	this.ns4 = (this.ns && (this.major == 4));
	this.ns6 = (this.ns && (this.major >= 5));
	this.ie = (agent.indexOf("msie") != -1);
	this.ie3 = (this.ie && (this.major < 4));
	this.ie4 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5.0") == -1));
	this.ie5 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5.0") != -1));
	this.ie55 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5.5") != -1));
	this.ie6 = (this.ie && (agent.indexOf("msie 6.0")!=-1) );
}

var is = new Is();


// launches pop-up windows //
function NavigateOpen(Location,Width,Height){
	x=Width;
	y=Height;
	xresnow = x;
	yresnow = y;
	if (navigator.appVersion.indexOf("Mac")!=-1 && document.all) {
			xresnow-=0;
			yresnow-=0;
	}
	xl = (screen.availWidth/2)-(xresnow/2);
	tt = (screen.availHeight/2)-(yresnow/2);
  if (document.all) mw=window.open(Location,'mwi','toolbar=no,scrollbars=no,width='+xresnow+',height='+yresnow+',left='+xl+',top='+tt);
  else {
    if (parseFloat(navigator.appVersion)<4.75)
      mw=window.open(Location,'mwi','left='+xl+',top='+tt+',width='+x+',height='+y+',toolbar=no,scrollbars=no,status=0,location=0');
    else {
      mw=window.open(Location,'mwi','left='+xl+',top='+tt+',width='+x+',height='+y+',toolbar=no,scrollbars=no,status=0,location=0');
      setTimeout("mwFix("+xl+","+tt+",x,y)",10);
    }
  }
}

function popToFront () {
	mw.focus ()
}