function preload() {
  if (!document.images) return;
  var ar = new Array();
  var arguments = preload.arguments;
  for (var i = 0; i < arguments.length; i++) {
    ar[i] = new Image();
    ar[i].src = arguments[i];
  }
}
function reloadPage(init) {
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.pgW=innerWidth; document.pgH=innerHeight; onresize=reloadPage; }}
  else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}
reloadPage(true);

function swapImgRestore() {
	var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	clearTimeout(timerID);
	timerID = setTimeout("closeall()", 4);
}
function preloadImages() {
  	var d=document; if(d.images){ if(!d.p) d.p=new Array();
    	var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    	if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
function findObj(n, d) {
  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); return x;
}
function swapImage() {
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ShowHide(id) {
  var itm = null;
  if (document.getElementById) {
	itm = document.getElementById(id);
  } else if (document.all){
	itm = document.all[id];
  } else if (document.layers){
	itm = document.layers[id];
  }

  if (!itm) {
   // do nothing
  }
  else if (itm.style) {
	if (itm.style.display == "none") {
	  itm.style.display = "";
	}
	else {
	  itm.style.display = "none";
	}
  }
  else {
	itm.visibility = "show";
  }
}