var LinkDivActive = 0;
var onDiv;
var timeOnDiv;
var layerRef;
var styleRef;
var showVar;
var hideVar;
if (navigator.appName == "Netscape") {
 layerRef="document.";
 styleRef="";
 showVar="'show'";
 hideVar="'hide'";
} else {
 layerRef="document.all.";
 styleRef=".style";
 showVar="'visible'";
 hideVar="'hidden'";
}
//Divisions Show | Hide
function hideDiv(divn) {
 eval(layerRef+divn+styleRef+'.visibility = '+hideVar);
}
function showDiv(divn) {
 eval(layerRef+divn+styleRef+'.visibility = '+showVar);
}
//Link Divisions Stuff
function showLinkDiv(divn) {
 if (timeOnDiv != null) {
  clearTimeout(timeOnDiv);
  hideDiv(onDiv);
 }
 showDiv(divn);
 onDiv = divn;
}
function divTimer() {
 timeOnDiv = setTimeout("divOut()",100)
}
function divOut() {
 if (LinkDivActive == 0) {
  hideDiv(onDiv);
 } 
}
function LinkDivOver() {
 LinkDivActive = 1;
 clearTimeout(timeOnDiv);
}
function LinkDivOut() {
 LinkDivActive = 0;
 timeOnDiv = setTimeout("divOut()",100)
}

browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0) { browser_ok = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { browser_ok = 'true'; }
else { browser_ok = 'false'; }

function over(img, ref) {
   if (browser_ok == 'true') {
       document.images[img].src = ref;
   }
}

if (browser_ok == 'true')
{
a1=new Image; a1.src="graf/r1.gif";
a2=new Image; a2.src="graf/r2.gif";
a3=new Image; a3.src="graf/c1.gif";
a4=new Image; a4.src="graf/c2.gif";
a5=new Image; a5.src="graf/c3.gif";
a6=new Image; a6.src="graf/l1.gif";
a7=new Image; a7.src="graf/l2.gif";
a8=new Image; a8.src="graf/l3.gif";
a9=new Image; a9.src="graf/l4.gif";
a10=new Image; a10.src="graf/m_center.gif";
a11=new Image; a11.src="graf/c4.gif";
}