Newsgroup: it.comp.lang.javascript
Titolo: Esempio menù

Ragazzi dove posso trovare un esempio di un menù
a cascata verticale? Come quello del centro Chl, nel sottogruppo
Prodotti Informatici.
Ciao a tutti  e grazie.

 wrote in message
ut5JOfb45fjKZU...@4ax.com...

non ho visto il sito di chl ma prova questo:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
 <title>Untitled</title>
<style>
<!--
DIV.clTop{position:absolute; width:170}
DIV.clSub{position:absolute; left:10; width:170}
#divCont{position:relative; left:100; top:0; height:400; width:170;}
A.clMain{font-family:Arial, Verdana, Helvetica, Helv; font-size:14px;
text-decoration:none; font-weight:bold; color:black}
A.clSubb{font-family:Arial, Verdana, Helvetica, Helv; font-size:14px;
text-decoration:none; color:black}
#divMain{position:absolute}
file://-->
</style>
<script language="JavaScript">
/***************************************************************************
*****
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!
****************************************************************************
****/
/***************************************************************************
*********
This script is a "foldout" menu script, all the "foldouts" will
stay outfolded in older browsers. Works in ie4+ and ns4+.
To change where the menu appears change the left and top values of the
divCont
in the stylesheets, it's currently placed relative so you can
place this menu in tables or similar if you want. Change the
text colors and size in the A.clMain and A.clSubb classes.
****************************************************************************
********/
/***************************************************************************
*********
Change this to false if you want all the submenus to get unfold when you
foldout a new one.
****************************************************************************
********/
var stayFolded=false
/***************************************************************************
*********
Browsercheck
****************************************************************************
********/
var n = (document.layers) ? 1:0;
var ie = (document.all) ? 1:0;
var browser=((n || ie) && parseInt(navigator.appVersion)>=4)
/***************************************************************************
*********
Making cross-browser objects
****************************************************************************
********/
function makeMenu(obj,nest){
 nest=(!nest) ? '':'document.'+nest+'.'
 this.css=(n) ?
eval(nest+'document.'+obj):eval('document.all.'+obj+'.style')
    this.ref=(n) ? eval(nest+'document.'+obj+'.document'):eval('document');
 this.height=n?this.ref.height:eval(obj+'.offsetHeight')
 this.x=(n)? this.css.left:this.css.pixelLeft;this.y=(n)?
this.css.top:this.css.pixelTop;
 this.hideIt=b_hideIt; this.showIt=b_showIt; this.vis=b_vis;
this.moveIt=b_moveIt
 return this
}
function b_showIt(){this.css.visibility="visible"}
function b_hideIt(){this.css.visibility="hidden"}
function b_vis(){if(this.css.visibility=="hidden" ||
this.css.visibility=="hide") return true;}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x;
this.css.top=this.y}
/***************************************************************************
*********
Initiating the page. Just add to the arrays here to get more menuitems
and add divs in the page
****************************************************************************
********/
function init(){
 oTop=new Array()
 oTop[0]=new makeMenu('divTop1','divCont')
 oTop[1]=new makeMenu('divTop2','divCont')
 oTop[2]=new makeMenu('divTop3','divCont')
 oTop[3]=new makeMenu('divTop4','divCont')
 oTop[4]=new makeMenu('divTop5','divCont')
 oTop[5]=new makeMenu('divTop6','divCont')
 oSub=new Array()
 oSub[0]=new makeMenu('divSub1','divCont.document.divTop1')
 oSub[1]=new makeMenu('divSub2','divCont.document.divTop2')
 oSub[2]=new makeMenu('divSub3','divCont.document.divTop3')
 oSub[3]=new makeMenu('divSub4','divCont.document.divTop4')
 oSub[4]=new makeMenu('divSub5','divCont.document.divTop5')
 oSub[5]=new makeMenu('divSub6','divCont.document.divTop6')
 for(i=0;i<oSub.length;i++){ oSub[i].hideIt() }
for(i=1;i<oTop.length;i++){ oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height) }
}
/***************************************************************************
*********
This is the function that changes the sub menus to folded or unfolded state.
****************************************************************************
********/
function menu(num){
 if(browser){
  if(!stayFolded){
   for(i=0;i<oSub.length;i++){
    if(i!=num) oSub[i].hideIt()
   }
   for(i=1;i<oTop.length;i++){
    oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height)
   }
  }
  oSub[num].vis()?oSub[num].showIt():oSub[num].hideIt()
(i=1;i<oTop.length;i++){ 
   if(!oSub[i-1].vis()) oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height+oSub[i-1].height) 
   else oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height)
  }
 }
}
file://Initiating the menus onload, if it's a 4.x+ browser.
if(browser) onload=init;
</script>
</HEAD>
<BODY bgcolor="white">
<!--************************************************************************************
Replace your links with the # inside the a tags to get links.
************************************************************************************-->
<div id="divCont">
 <div id="divTop1" class="clTop"><a href="#" onclick="menu(0); return false" class="clMain">[choice 0]</a><br>
  <div id="divSub1" class="clSub">
   <a href="#" class="clSubb">-Sub 1</a><br>
   <a href="#" class="clSubb">-Sub 2</a><br>
   <a href="#" class="clSubb">-Sub 3</a><br>
   <a href="#" class="clSubb">-Sub 4</a><br>
  </div><br>
 </div>
 <div id="divTop2" class="clTop"><a href="#" onclick="menu(1); return false" class="clMain">[choice 1]</a><br>
  <div id="d
ivSub2" class="clSub">
   <a href="#" class="clSubb">-Sub 1</a><br>
   <a href="#" class="clSubb">-Sub 2</a><br>
  </div><br>
 </div>
 <div id="divTop3" class="clTop"><a href="#" onclick="menu(2); return false"
class="clMain">[choice 2]</a><br>
  <div id="divSub3" class="clSub">
   <a href="#" class="clSubb">-Sub 1</a><br>
   <a href="#" class="clSubb">-Sub 2</a><br>
   <a href="#" class="clSubb">-Sub 3</a><br>
  </div><br>
 </div>
 <div id="divTop4" class="clTop"><a href="" onclick="menu(3); return false"
class="clMain">[choice 3]</a><br>
  <div id="divSub4" class="clSub">
   <a href="#" class="clSubb">-Sub 1</a><br>
   <a href="#" class="clSubb">-Sub 2</a><br>
  </div><br>
 </div>
 <div id="divTop5" class="clTop"><a href="" onclick="menu(4); return false"
class="clMain">[choice 4]</a><br>
  <div id="divSub5" class="clSub">
   <a href="#" class="clSubb">-Sub 1</a><br>
   <a href="#" class="clSubb">-Sub 2</a><br>
   <a href="#" class="clSubb">-Sub 3</a><br>
   <a href="#" class="clSubb">-Sub 4</a><br>
   <a href="#" class="clSubb">-Sub 5</a><br>
  </div><br>
 </div>
 <div id="divTop6" class="clTop"><a href="" onclick="menu(5); return false"
class="clMain">[choice 5]</a><br>
  <div id="divSub6" class="clSub">
   <a href="#" class="clSubb">-Sub 1</a><br>
  </div><br>
 </div>
</div>
</body>
</html>
l'ho trova su un sito e da me funziona!!!
Yosuke

www.probo.it/javascript
--
Bye
        Ro<*¿*>berto