var NS = (document.layers);
//(navigator.appName == "Netscape");
layerRef = (NS) ? "document" : "document.all";
styleRef = (NS) ? "" : ".style";

tmpImg = new Image();
tmpImg.src =  "image/load.gif"

function 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=reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
reloadPage(true);



function 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 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=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 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=findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

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

function MenuItem(mediaName) {
this.media=findObj(mediaName);

if (!this.media) alert(mediaName);


this.show=function (){ 
     eval("this.visibility=this.media"+styleRef+".visibility.substr(0,3)");
	 if(this.visibility='hid') eval("this.media"+styleRef+".visibility='visible'");
  }
this.hide=function (){ 
     eval("this.visibility=this.media"+styleRef+".visibility.substr(0,3)");
	 if(this.visibility='vis') eval("this.media"+styleRef+".visibility='hidden' ");
  }

}
function showAll(){

	for(var i=0; i<mLayers.length; i++) {
		eval('findObj(mLayers[i])'+styleRef+'.visibility= "visible";');
	}
	for (var i=0;i<mLayersToHide.length;i++){
		eval('findObj(mLayersToHide[i])'+styleRef+'.visibility= "hidden";');
	}

}