isIE = isIE4 = isIE5 = isIE6 = isIE7 = isNS = isNS4 = isNS6 = isNS7 = isNS8 = isFlash5 = isFlashMX = false;

// Browser Detection
if(navigator.appName.indexOf('Netscape') == 0) isNS = true;
if(navigator.appName.indexOf('Microsoft') == 0) isIE = true;
isUNIX = (window.navigator.appVersion.indexOf("X11") != -1) ||
         (window.navigator.appVersion.indexOf("Linux") != -1) ||
         (window.navigator.appVersion.indexOf("SunOS") != -1) ||
         (window.navigator.appVersion.indexOf("IRIX") != -1) ||
         (window.navigator.appVersion.indexOf("HP-UX") != -1);
isMac = (window.navigator.appVersion.indexOf("Mac") != -1);
isWindows = navigator.userAgent.indexOf("Windows 95") != -1 ||
            navigator.userAgent.indexOf("Windows 98") != -1 ||
            navigator.userAgent.indexOf("Windows NT") != -1;
isMacIE = (isMac && isIE);

// Netscape Version
if(isNS) {
  v = parseInt(navigator.appVersion);
  if(v == 4) {
    isNS4 = true;
  } else if(v == 5) {
    p = navigator.userAgent.lastIndexOf('/');
    v = parseInt(navigator.userAgent.substr(p+1));
    eval("isNS" + v + " = true");
  }
}

// Internet Explorer Version
if(isIE) {
  v = parseInt(navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE")+5));
  eval("isIE" + v + " = true");
}

// Image Rollover & Preload

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}




//Bookmark Page

function bookmarkIt() { 
  var bookmarktitle = "TIS™ / Twenty Inches Strong";
  var bookmarkurl = "http://www.tiswheels.com";
  var netscape
  var macintosh
  netscape="Attention Netscape Users. To Bookmark this page please click the page you would like to bookmark and press CTRL+D. If you would like to add this page to your Netscape Sidebar, please click OK on the next window which appears.";
  macintosh="Attention Macintosh User. To Bookmark this page please click the page you would like to bookmark and press CTRL+D.";

  if (window.sidebar&&window.sidebar.addPanel) { 
    alert(netscape);
    window.sidebar.addPanel(bookmarktitle, bookmarkurl,""); 
  } else if (isMac) {
    alert(macintosh);
  } else if (document.all) {
    window.external.AddFavorite(bookmarkurl, bookmarktitle);
  } else if (window.opera && window.print) {
    return true;
  }
}

// Sticky Navigation

var currentNavItem = "";
var navItemNormal = new Image();

function writeNavButton(name,height,width) {
  document.write("<img src=/images/subbutn_" + name + "_off.gif name=butn_" + name + " id=butn_" + name + " width=" + width + " height=" + height + " border=0 onMouseOver=MM_swapImage('butn_" + name + "','','/images/subbutn_" + name + "_on.gif',1) onMouseOut=MM_swapImgRestore() onClick=setCurrentNavItem('" + name + "')>");
}

function setCurrentNavItem(item) {
  if(currentNavItem.name != MM_findObj("butn_"+item).name) {
    currentNavItem.src = navItemNormal.src;
    currentNavItem = MM_findObj("butn_"+item);
    currentNavItem.src = "/images/subbutn_" + item + "_active.gif";
    navItemNormal.src = "/images/subbutn_" + item + "_off.gif";
  }
}

function resetCurrentNavItem() {
  currentNavItem.src = navItemNormal.src;
  currentNavItem = "";
  navItemNormal = new Image();
}

function MM_openBrWindow(theURL,winName,features)
{
	window.open(theURL,winName,features);
}

// Interface frame lock

if (parent.location.href == self.location.href)
	window.location.href = 'interface.htm?content='+escape(document.location);
	
var win= null;
function OpenNewWindow(mypage,w,h,myname){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  settings='height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=yes,toolbar=no,location=no,status=no,menubar=no,resizable=no,dependent=no'
  win=window.open(mypage,myname,settings)
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}


function NewWindow(mypage,myname,w,h,pos,infocus){
var win=null;
if(pos=="random"){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
else if((pos!='center' && pos!="random") || pos==null){myleft=0;mytop=20}
settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
win.focus();}