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_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_showHideLayers() { //v3.0
  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_blockNoneLayers() { //v3.0
  var i,p,m,obj,args=MM_blockNoneLayers.arguments;	 
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { m=args[i+2];
    if (obj.style) { obj=obj.style; m=(m=='block')?'block':(m='none')?'none':m; }
    obj.display=m; }
}

function MM_hideAllOtherSections(current) {
	var divArray = new Array();
	
	for (i = 0; i < 100; i++) {
		divArray[i] = "train" + i;
	}
	
	for (i = 0; i < divArray.length; i++) {
		if (divArray[i] != current) {
			MM_blockNoneLayers(divArray[i],'','none');
		} else {
			MM_blockNoneLayers(divArray[i],'','block');
		}
	}
}