<!--
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_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];}
}
function MM_findObj(n, d) { //v3.0
  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); return x;
}
<!-- Start DHTML dropdown code //-->
//Change these
var top = -26;
var bot = 125;
var x=new Array(4);
x[0] = 'laya';
x[1] = 'layb';
x[2] = 'layc';
x[3] = 'layd';
var speed = 10;

//Don't edit anything after here
var delay = 8;
var m;
var ie = (document.all) ? 1:0;

function over() {
        o='on';
        setTimeout("o='on'", delay);
}
function mop(l) {
        t=l;
        o='off';
        setTimeout('cup()', delay);
}
function goup() {
	for (z=0;x[z];z++){
		if(ie) { test = document.all[x[z]].style.pixelTop > top; }
		else { test = document.layers[x[z]].top > top; }
	        if (test) { upper(x[z]); } 
	}
}
function cup() {
	for (z=0;x[z];z++){
		if(x[z] == t && o=='off') { upper(x[z]); }
	}
}
function downer(y) {
        clearTimeout(m);

	for (z=0;x[z];z++){
		if(x[z] != y) {
			if(ie) { document.all[x[z]].style.pixelTop = top; }
			else { document.layers[x[z]].top = top; }
		}
	}
	if(ie) { test = document.all[y].style.pixelTop >= bot; }
	else { test = document.layers[y].top >= bot; }
        if (test) {
	        clearTimeout(m);
		if(ie) { document.all.clear.style.visibility = 'visible'; }
		else { document.layers.clear.visibility = 'visible'; }
		if(ie) { document.all.clear2.style.visibility = 'visible'; }
		else { document.layers.clear2.visibility = 'visible'; }
	} else {
		if(ie) { document.all[y].style.pixelTop += speed; }
		else { document.layers[y].top += speed; }
                m=setTimeout("downer('"+y+"')", delay);
        }
}
function upper(y) {
        clearTimeout(m);
	if(ie) { test = document.all[y].style.pixelTop <= top; }
	else { test = document.layers[y].top <= top; }
        if (test) {
                clearTimeout(m);
		if(ie) { document.all.clear.style.visibility = 'hidden'; }
		else { document.layers.clear.visibility = 'hidden'; }
		if(ie) { document.all.clear2.style.visibility = 'hidden'; }
		else { document.layers.clear2.visibility = 'hidden'; }
        } else {
		if(ie) { document.all[y].style.pixelTop -= speed; }
		else { document.layers[y].top -= speed; }
                m=setTimeout("upper('" + y + "')", delay);
        }
}
function show() {
	for (z=0;x[z];z++){
		if(ie) { document.all[x[z]].style.visibility = 'visible'; }
		else { document.layers[x[z]].visibility = 'visible'; }
	}
}

<!-- End DHTML dropdown code //-->
//-->