var netscape = 0;
        goodIE = 0;
         n=30;
     na=30;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);

if (browserName == "Netscape" && browserVer >= 3)
{ netscape = 1; }
if (browserName == "Microsof" && browserVer >= 4)
{ goodIE = 1; }

if (netscape || goodIE) {
 {
         Img= new Array(n);
        for(i=1; i<=n; i++) { Img[i] = new Image() };
   Img_r=new Array(n);
        for(i=1; i<=na; i++) { Img_r[i] = new Image() };
        
        Img[1].src = "{IMG}.gif";
        Img[2].src = "{IMG}.gif";
        Img[3].src = "{IMG}.gif";
	Img[4].src = "{IMG}.gif";
        Img[5].src = "{IMG}.gif";

        Img_r[1].src = "{IMG}r.gif";
        Img_r[2].src = "{IMG}r.gif";
        Img_r[3].src = "{IMG}r.gif";
		Img_r[4].src = "{IMG}r.gif";
        Img_r[5].src = "{IMG}r.gif";
	
 }}

 
function imgover(trg,imgname) {
{if (netscape || goodIE){
         document.images[trg].src=Img_r[imgname].src;
 }}}
  
function imgout(trg,imgname)  {
{if (netscape || goodIE){
         document.images[trg].src=Img[imgname].src; 
 }}}

function gif_over(src) {
	src.children.tags('IMG')[0].src=src.children.tags('IMG')[0].src.replace('.gif','r.gif');
}
   
function gif_out(src) {
	src.children.tags('IMG')[0].src=src.children.tags('IMG')[0].src.replace('r.gif','.gif');
}

bName = navigator.appName;
function makeArray(n){
    this.length = n;
    for (i=1;i<=n;i++){
        this[i]=0;
    }
    return this;
}

function showLayer(layerName) {
 	eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
}

function hideLayer(layerName) {
	eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
}

ns=0;
layerRef="document.all";
styleSwitch=".style";
if (navigator.appName == "Netscape") {
	ns=1;
	layerRef="document.layers";
  	styleSwitch="";
}