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_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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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];}
}

agent = navigator.userAgent;
browserVer = 0;

browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) ||
  ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )));

if (browser) {browserVer = 1}

if (browserVer == 1) {

	titleoff = new Image();
	titleoff.src = "images/n_titles_off.gif";
	titleon = new Image();	
	titleon.src = "images/n_titles_on.gif";
	
	authoroff = new Image();
	authoroff.src = "images/n_author_off.gif";
	authoron = new Image();	
	authoron.src = "images/n_author_on.gif";
	
	newoff = new Image();
	newoff.src = "images/n_new_off.gif";
	newon = new Image();	
	newon.src = "images/n_new_on.gif";
	
	annoff = new Image();
	annoff.src = "images/n_ann_off.gif";
	annon = new Image();	
	annon.src = "images/n_ann_on.gif";
	
	ordoff = new Image();
	ordoff.src = "images/n_order_off.gif";
	ordon = new Image();	
	ordon.src = "images/n_order_on.gif";

	lnksoff = new Image();
	lnksoff.src = "images/n_links_off.gif";
	lnkson = new Image();	
	lnkson.src = "images/n_links_on.gif";
	

}

function img_act(imgName) {
	if (browserVer == 1) {
		imgOn = eval(imgName + "on.src");
	  	document [imgName].src = imgOn;
	}
}

function img_inact(imgName) {
	if (browserVer == 1) {
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;
  	}
}