HM_DOM = (document.getElementById) ? true : false;
HM_NS4 = (document.layers) ? true : false;
HM_IE = (document.all) ? true : false;
HM_IE4 = HM_IE && !HM_DOM;
HM_Mac = (navigator.appVersion.indexOf("Mac") != -1);
HM_IE4M = HM_IE4 && HM_Mac;

//4.1
HM_Opera = (navigator.userAgent.indexOf("Opera")!=-1);
HM_Konqueror = (navigator.userAgent.indexOf("Konqueror")!=-1);

function showjustlayer2() { // shows sizing and the other two in the top of the tocframe
//TocIE("hidden");
//Toc2IE("visible","30px");
	 if (HM_DOM) {
		TocIE("hidden");
		Toc2IE("visible","41px");
	} 
	else
	if (HM_NS4) {
		TocNSlayer2();
	} 
	else
	if (HM_IE4) {
		TocNSlayer2();
}
}

function showtoclayer() { //show both layers
//Toc2IE("visible","337px");
	 if (HM_DOM) {
		 Toc2IE("visible","337px");
	} 
	else
	if (HM_NS4) {
		TocNSbothlayers();
	} 
	else
	if (HM_IE4) {
		TocNSbothlayers();
}
}

function RemoveToc() { //hide all the layers from view
	 //hidetoclayer2();
	 //parent.tocFrame.location='emptyFrame.htm';
	 if (HM_DOM) {
		 TocIE("hidden");
		 Toc2IE("hidden","337px");
	} 
	else
	if (HM_NS4) {
		TocNSnone();
	} 
	else
	if (HM_IE4) {
		TocNSnone();
}
}

function LoadToc() { //show layer 1
	 //showtoclayer2();
	 //parent.tocFrame.location='tocFrame.htm';
	 if (HM_DOM) {
		 TocIE("visible");
		 Toc2IE("hidden","337px");
	} 
	else
	if (HM_NS4) {
		TocNSlayer1();
	} 
	else 
	if (HM_IE4) {
		TocNSnone();
}
}

function TocIE(viewstatus)  {
	 parent.tocFrame.document.all.Layer1.style.visibility=viewstatus;
}

function Toc2IE(viewstatus, topValue) {
	 parent.tocFrame.document.all.Layer2.style.top=topValue;
	 parent.tocFrame.document.all.Layer2.style.visibility=viewstatus;
}


function TocNSlayer1()  {
	//parent.tocFrame.document.all.Layer1.style.visibility=viewstatus;
		//parent.tocFrame.document.location="emptyframe.htm";
		parent.tocFrame.document.location="layer1tocframens.htm";
	
}

function TocNSlayer2() {
	// parent.tocFrame.document.all.Layer2.style.top=topValue;
	// parent.tocFrame.document.all.Layer2.style.visibility=viewstatus;
	parent.tocFrame.document.location="layer2tocframens.htm";
}

function TocNSbothlayers()  {
	//parent.tocFrame.document.all.Layer1.style.visibility=viewstatus;
	parent.tocFrame.document.location="fulltocframens.htm";
}

function TocNSnone() {
	parent.tocFrame.document.location="emptyframe.htm";
}

// the basic for all browsers
MM_reloadPage(true);

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();
}

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_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) { //v4.0
  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 && document.getElementById) x=document.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];}
}