Si perdonami vorrei semplicemente che cliccando o posizionandomi su uno dei 4 menu che mi servono, si aprisse un sottomenu semplicissmo, e cliccando su questo sottomenu si deve aprire un .pdf
di seguito la pagina html nel quale ce lo deo mettere e un simil menu che mi potrebbe andare bene, ma purtroppo ha il posizionamento assoluto

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<HTML>
<HEAD>
<TITLE></TITLE>

<LINK href="link_file/netscapestyle.css" type=text/css rel=stylesheet>
<STYLE type=text/css>
BODY {
FONT-SIZE: 10px; MARGIN: 1px; OVERFLOW: hidden; COLOR: #003464; FONT-FAMILY: Arial,Helvetica; BACKGROUND-COLOR: #ffffff
}
TD {
FONT-SIZE: 10px; COLOR: #003464; FONT-FAMILY: Arial, Helvetica
}
A {
TEXT-DECORATION: none
}
A:link {
COLOR: #003464
}
A:visited {
COLOR: #003464
}
A:active {
COLOR: #003464
}
A:hover {
COLOR: #ffffff; BACKGROUND-COLOR: #003464
}
DIV.clTopMenu{position:absolute; width:140; height:150; clip:rect(100,101,14,0); visibility:hidden; z-index:31}
DIV.clTopMenuBottom{position:absolute; width:101; height:3; clip:rect(0,101,3,0); top:11; layer-background-color:#CECFCE; z-index:2}
DIV.clTopMenuText{position:absolute; width:140; left:18; top:18; font-family:arial,helvetica; font-size:11px; z-index:1}
</STYLE>

<script>

/************************************************** ******************************

DIV.clTopMenu{position:absolute; width:140; height:150; clip:rect(0,101,14,0); visibility:hidden; z-index:31; layer-background-color:#EEEEEE; background-color:#EEEEEE}
DIV.clTopMenuBottom{position:absolute; width:101; height:3; clip:rect(0,101,3,0); top:11; layer-background-color:#CECFCE; background-color:#CECFCE; z-index:2}
DIV.clTopMenuText{position:absolute; width:140; left:5; top:15; font-family:arial,helvetica; font-size:11px; background-color:#EEEEEE; z-index:1}
visited:{color:#808080}
Copyright (C) 1999 Thomas Brattli
This script is made by and copyrighted to Thomas Brattli at www.bratta.com
Visit for more great scripts.
This may be used freely as long as this msg is intact!
************************************************** ******************************
Browsercheck:*/
ie=document.all?1:0
n=document.layers?1:0

/************************************************** ******************************
If you want to change the appearens on the text, background-colors, size or
anything do that in the style tag above.

This menu might not be as easy to adapt to your own site, but please
play around with it before you mail me for help
************************************************** **************************/

/************************************************** *************************
Variables to set.
************************************************** **************************/
//How many menus do you have? (remember to copy and add divs in the body if you add menus)
var numberOfMenus=3
//The width on the menus (set the width in the stylesheet as well)
var mwidth=140
//Pixels between the menus
var pxBetween=10
//The first menus left position
var fromLeft=250
//The top position of the menus
var fromTop=370
//The bgColor of the bottom mouseover div
var bgColor='#010066'
//The bgColor to change to
var bgColorChangeTo='#010066'
//The position the mouseover line div will stop at when going up!
var imageHeight=16
/************************************************** *************************
You shouldn't have to change anything below this
************************************************** **************************/
//Object constructor
function makeNewsMenu(obj,nest){
nest=(!nest) ? '':'document.'+nest+'.'
this.css=(n) ? eval(nest+'document.'+obj):eval('document.all.'+ob j+'.style')
this.scrollHeight=n?this.css.document.height:eval( 'document.all.'+obj+'.offsetHeight')
this.moveIt=b_moveIt;this.bgChange=b_bgChange;
this.slideUp=b_slideUp; this.slideDown=b_slideDown;
this.clipTo=b_clipTo;
this.obj = obj + "Object"; eval(this.obj + "=this")
}
//Objects methods
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}
function b_bgChange(color){if(ie) this.css.backgroundColor=color; else this.css.bgColor=color}
function b_clipTo(t,r,b,l){
if(n){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l
}else this.css.clip="rect("+t+","+r+","+b+","+l+")";
}
function b_slideUp(ystop,moveby,speed,fn,wh){
if(!this.slideactive){
if(this.y>ystop){
this.moveIt(this.x,this.y-5); eval(wh)
setTimeout(this.obj+".slideUp("+ystop+","+moveby+" ,"+speed+",'"+fn+"','"+wh+"')",speed)
}else{
this.slideactive=false; this.moveIt(0,ystop); eval(fn)
}
}
}
function b_slideDown(ystop,moveby,speed,fn,wh){
if(!this.slideactive){
if(this.y<ystop){
this.moveIt(this.x,this.y+5); eval(wh)
setTimeout(this.obj+".slideDown("+ystop+","+moveby +","+speed+",'"+fn+"','"+wh+"')",speed)
}else{
this.slideactive=false; this.moveIt(0,ystop); eval(fn)
}
}
}
//Initiating the page, making cross-browser objects
function newsMenuInit(){
oTopMenu=new Array()
for(i=0;i<=numberOfMenus;i++){
oTopMenu[i]=new Array()
oTopMenu[i][0]=new makeNewsMenu('divTopMenu'+i)
oTopMenu[i][1]=new makeNewsMenu('divTopMenuBottom'+i,'divTopMenu'+i)
oTopMenu[i][2]=new makeNewsMenu('divTopMenuText'+i,'divTopMenu'+i)
oTopMenu[i][1].moveIt(0,imageHeight)
oTopMenu[i][0].clipTo(0,mwidth,imageHeight+3,0)
oTopMenu[i][0].moveIt(i*mwidth+fromLeft+(i*pxBetween),fromTop)
oTopMenu[i][0].css.visibility="visible"
}
}
//Moves the menu
function topMenu(num){
if(oTopMenu[num][1].y==imageHeight) oTopMenu[num][1].slideDown(oTopMenu[num][2].scrollHeight+20,10,40,'oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)')
else if(oTopMenu[num][1].y==oTopMenu[num][2].scrollHeight+20) oTopMenu[num][1].slideUp(imageHeight,10,40,'oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,mwidth,oTopMenu['+num+'][1].y+3,0)')
}
//Changes background onmouseover
function menuOver(num){oTopMenu[num][1].bgChange(bgColorChangeTo)}
function menuOut(num){oTopMenu[num][1].bgChange(bgColor)}


//Calls the init function onload
onload=newsMenuInit;
</script>

</HEAD>

<BODY bgcolor="#FFFFFF" scroll=no>
<table width="100%" border="0" cellspacing="0" cellpadding="0" height="100%">
<tr>
<td>
<div align="center">

<table width="520" border="0" cellspacing="0" cellpadding="2">



<tr valign="top">
<td>
<div id="divTopMenu0" class="clTopMenu">VADEMECUM
<div id="divTopMenuText0" class="clTopMenuText">
Italiano

Inglese
</div>
<div id="divTopMenuBottom0" class="clTopMenuBottom"></div>
</div>
</td>
<td>
<div id="divTopMenu1" class="clTopMenu">LISTINI
<div id="divTopMenuText1" class="clTopMenuText">
Analisi

Tossicologia

Specialistica

Citologia Istologia

</div>
<div id="divTopMenuBottom1" class="clTopMenuBottom"></div>
</div>
</td>
<td>
<div id="divTopMenu2" class="clTopMenu">COMUNICAZIONI
<div id="divTopMenuText2" class="clTopMenuText">
Vademecum Sinonimi

Raccolta batteriologia

Raccolta citologia

</div>
<div id="divTopMenuBottom2" class="clTopMenuBottom"></div>
</div>
</td>
<td>
<div id="divTopMenu3" class="clTopMenu">SCHEDE ESAMI
<div id="divTopMenuText3" class="clTopMenuText">
Vademecum Italiano

Vademecum Inglese

</div>
<div id="divTopMenuBottom3" class="clTopMenuBottom"></div>
</div>
</td>
</tr>

<tr><td colspan="4"></td></tr>
<tr><td colspan="4"></td></tr>




</table>

</div>
</td>
</tr>
</table>


</BODY></HTML>
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fatemi sapere
grazie
ciao