if (document.images) {
    top11on = new Image(); top11on.src="images/e_top_bt11_.jpg";
    top12on = new Image(); top12on.src="images/e_top_bt12_.jpg";
    top13on = new Image(); top13on.src="images/e_top_bt13_.jpg";
    top14on = new Image(); top14on.src="images/e_top_bt14_.jpg";
    top15on = new Image(); top15on.src="images/e_top_bt15_.jpg";
    top16on = new Image(); top16on.src="images/e_top_bt16_.jpg";
    top21on = new Image(); top21on.src="images/e_top_bt21_.jpg";
    top22on = new Image(); top22on.src="images/e_top_bt22_.jpg";
    top23on = new Image(); top23on.src="images/e_top_bt23_.jpg";
	top24on = new Image(); top24on.src="images/e_top_bt24_.jpg";
	top25on = new Image(); top25on.src="images/e_top_bt25_.jpg";
	top26on = new Image(); top26on.src="images/e_top_bt26_.jpg";
	top31on = new Image(); top31on.src="images/e_top_bt31_.jpg";
    top32on = new Image(); top32on.src="images/e_top_bt32_.jpg";
    top33on = new Image(); top33on.src="images/e_top_bt33_.jpg";
    top34on = new Image(); top34on.src="images/e_top_bt34_.jpg";
    top35on = new Image(); top35on.src="images/e_top_bt35_.jpg";
    top36on = new Image(); top36on.src="images/e_top_bt36_.jpg";
    top37on = new Image(); top37on.src="images/e_top_bt37_.jpg";
    top38on = new Image(); top38on.src="images/e_top_bt38_.jpg";
    top39on = new Image(); top39on.src="images/e_top_bt39_.jpg";
    top40on = new Image(); top40on.src="images/e_top_bt40_.jpg";
    top50on = new Image(); top50on.src="images/e_top_bt50_.jpg";

   
    top11off = new Image(); top11off.src="images/e_top_bt11.jpg";
    top12off = new Image(); top12off.src="images/e_top_bt12.jpg";
    top13off = new Image(); top13off.src="images/e_top_bt13.jpg";
    top14off = new Image(); top14off.src="images/e_top_bt14.jpg";
    top15off = new Image(); top15off.src="images/e_top_bt15.jpg";
    top16off = new Image(); top16off.src="images/e_top_bt16.jpg";
    top21off = new Image(); top21off.src="images/e_top_bt21.jpg";
    top22off = new Image(); top22off.src="images/e_top_bt22.jpg";
    top23off = new Image(); top23off.src="images/e_top_bt23.jpg";
	top24off = new Image(); top24off.src="images/e_top_bt24.jpg";
	top25off = new Image(); top25off.src="images/e_top_bt25.jpg";
	top26off = new Image(); top26off.src="images/e_top_bt26.jpg";	
    top31off = new Image(); top31off.src="images/e_top_bt31.jpg";
    top32off = new Image(); top32off.src="images/e_top_bt32.jpg";
    top33off = new Image(); top33off.src="images/e_top_bt33.jpg";
    top34off = new Image(); top34off.src="images/e_top_bt34.jpg";
    top35off = new Image(); top35off.src="images/e_top_bt35.jpg";
    top36off = new Image(); top36off.src="images/e_top_bt36.jpg";
    top37off = new Image(); top37off.src="images/e_top_bt37.jpg";
    top38off = new Image(); top38off.src="images/e_top_bt38.jpg";
    top39off = new Image(); top39off.src="images/e_top_bt39.jpg";
    top40off = new Image(); top40off.src="images/e_top_bt40.jpg";
    top50off = new Image(); top50off.src="images/e_top_bt50.jpg";
}
function imgOn(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "on.src");
    }
}
function imgOff(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "off.src");
    }
}

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];}
}