//BROWSER SNIFFER

function Is() {
    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 == 2));
    this.ns3 = (this.ns && (this.major == 3));
    this.ns4b = (this.ns && (this.major == 4) && (this.minor <= 4.03));
    this.ns4 = (this.ns && (this.major >= 4));
    this.ie   = (agent.indexOf("msie") != -1);
    this.ie3  = (this.ie && (this.major == 2));
    this.ie4  = (this.ie && (this.major >= 4));
    this.op3 = (agent.indexOf("opera") != -1);
}

var is = new Is()

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



function showLot(layer)
{
	showLyr = eval(doc + '["' + layer + '"]' + sty);
	showLyr.visibility = "visible";
}

function hideLot(layer)
{
	hideLyr = eval(doc + '["' + layer + '"]' + sty);
	hideLyr.visibility = "hidden";
}

var win=null;
function NewWindow(mypage,myname,w,h,scroll){
	LeftPosition=(screen.width)?(screen.width-w)/2:100;
	TopPosition=(screen.height)?(screen.height-h)/2:100;
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings);
}