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_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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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_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];}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function animateDiv(id, new_h_size) {
    resizeDiv = document.getElementById(id);
    var h_size = resizeDiv.offsetHeight;
    if (h_size > new_h_size && h_size > 10 ) {
        resizeDiv.style.height = h_size - 10 +"px";
    
        setTimeout("animateDiv('" + id + "','" + new_h_size + "')", 20);
        MM_showHideLayers('Layer1','','hide','Layer2','','hide','info','','hide');
        }
        else if (h_size < 10) {
        MM_showHideLayers('Layer1','','hide','Layer2','','hide','resizeDiv','','hide','info','','hide');
        window.open("geocalc.htm" , "_self" , "" , "false");
        }
}
function animateDiv2(id, new_h_size) {
    resizeDiv = document.getElementById(id);
    var h_size = resizeDiv.offsetHeight;
    if (h_size > new_h_size && h_size > 10 ) {
        resizeDiv.style.height = h_size - 10 +"px";
    
        setTimeout("animateDiv2('" + id + "','" + new_h_size + "')", 20);
        MM_showHideLayers('Layer1','','hide','Layer2','','hide','info','','hide');
        }
        else if (h_size < 10) {
        MM_showHideLayers('Layer1','','hide','Layer2','','hide','resizeDiv','','hide','info','','hide');
        window.open("3-2-1.htm" , "_self" , "" , "false");
        }
}

function resetDivs() { // on page unload - ready for returning when using browser back button
    resizeDiv.style.height = "239px";
	resizeDiv.style.visibility = "visible";
	info.style.visibility = "visible";
}

function toggleDiv(divID) {
    if (document.getElementById) {
        // standards
        var style2 = document.getElementById(divID).style;
        style2.display = style2.display? "":"block";
    }
    else if (document.all) {
        // old msie versions
        var style2 = document.all[divID].style;
        style2.display = style2.display? "":"block";
    }
    else if (document.layers) {
        // nn4
        var style2 = document.layers[divID].style;
        style2.display = style2.display? "":"block";
    }
    if (style2.display == "block") {
        document.getElementById('toggleDivTag').innerText = "hide full history";
    }
    else {
        document.getElementById('toggleDivTag').innerText = "more history";
    }
}