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_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_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_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 ESS_showHideNavigation(layerid) {
  switch(layerid) {
    case 1:
      MM_showHideLayers('sub1','','show','sub2','','hide','sub3','','hide','sub4','','hide','sub5','','hide');
      break;
    case 2:
      MM_showHideLayers('sub1','','hide','sub2','','show','sub3','','hide','sub4','','hide','sub5','','hide');
      break;
    case 3:
      MM_showHideLayers('sub1','','hide','sub2','','hide','sub3','','show','sub4','','hide','sub5','','hide');
      break;
    case 4:
      MM_showHideLayers('sub1','','hide','sub2','','hide','sub3','','hide','sub4','','show','sub5','','hide');
      break;
    case 5:
      MM_showHideLayers('sub1','','hide','sub2','','hide','sub3','','hide','sub4','','hide','sub5','','show');
      break;
  }
}

function ESS_imgToggle(object,state) {
    for (i=object.src.length-7; i<object.src.length-3 ; i++) {
        if (state == 0) {
            if (object.src.substring(i,i+2) == 'on') {
                object.src = object.src.substring(0,i) + 'off' + object.src.substring(i+2,object.src.length);
                return;
            }
        }
        if (state == 1) {
            if (object.src.substring(i,i+3) == 'off') {
                object.src = object.src.substring(0,i) + 'on' + object.src.substring(i+3,object.src.length);
                return;
            }
        }
    }
}

// control menu bar ( menu button images and sub menu links.. )
function menuControl(n) {
	for(var i = 1; i <= 5; i++) {
		obj = document.getElementById('sub'+i);
		img = document.getElementById('menuControl_button'+i);

		if ( n == i ) {
			obj.style.display = "block";
			img.src = "http://logichome.org/menu/sub_menu"+i+"_on.gif";
		} else {
			obj.style.display = "none";
			img.src = "http://logichome.org/menu/sub_menu"+i+"_off.gif";
		}
	}



}