quella piu chiara e facilmente modificabile che ho trovato è:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="it">
<head>
<title>Menù a tendina - Esempio JavaScript scaricato da HTML.it</title>
<meta http-equiv="Content-type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Language" content="it" />
<meta name="Robots" content="All" />
<meta name="Description" content="HTML.it - il sito italiano sul Web publishing" />
<meta name="Keywords" content="Un menù a tendina compatibile con vari browser." />
<meta name="Owner" content="HTML.it srl" />
<meta name="Author" content="HTML.it srl" />
<meta name="Copyright" content="HTML.it srl" />
<style type="text/css">
#dropmenudiv{
position:absolute;
border:1px solid black;
border-bottom-width: 0;
font:normal 12px Verdana;
line-height:18px;
z-index:100;
}
#dropmenudiv a{
width: 100%;
display: block;
text-indent: 3px;
border-bottom: 1px solid black;
padding: 1px 0;
text-decoration: none;
font-weight: bold;
}
#dropmenudiv a:hover{ /*hover background color*/
background-color: yellow;
}
</style>
<script type="text/javascript">
//Contents for menu 1
var menu1=new Array()
menu1[0]='<a href="http://www.abc.it">Html.it</a>'
menu1[1]='<a href="http://freephp.abc.it">Freephp</a>'
menu1[2]='<a href="http://forum.abc.it">Forum</a>'
menu1[3]='<a href="http://forum.abc.it">Forum</a>'
menu1[4]='<a href="http://forum.abc.it">Forum</a>'
menu1[5]='<a href="http://forum.abc.it">Foddrum</a>'
//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<a href="#">Articoli abc</a>'
menu2[1]='<a href="#">Script php</a>'
menu2[2]='<a href="#">Tutorial</a>'
var menuwidth='165px' //default menu width
var menubgcolor='lightyellow' //menu bgcolor
var disappeardelay=250 //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?
/////No further editting needed
var ie4=document.all
var ns6=document.getElementById&&!document.all
if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')
function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}
function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top=-500
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}
function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}
function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}
function dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)
if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}
return clickreturnvalue()
}
function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}
function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}
function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}
function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}
function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}
function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}
if (hidemenu_onclick=="yes")
document.onclick=hidemenu
</script>
</head>
<body >
<br /><br />
<div align="center">
<a href="#" onClick="return clickreturnvalue()" onMouseover="dropdownmenu(this, event, menu1, '150px')" onMouseout="delayhidemenu()">Siti interessanti</a> |
<a href="#" onMouseover="return dropdownmenu(this, event, menu2, '200px')" onMouseout="delayhidemenu()">Varie</a>
</div>
<br /><br /><br /><br /><br /><br />
<div align="center">
<a href="http://www.html.it"><img src="logo_htmlit.gif" alt="JavaScript scaricato da HTML.it" border="0" width="50" height="50" /></a>
</div>
</body>
</html>
Allora, se lavora con un array, e quell'array è quello che ti crei con php, ti ho già detto come fare, ti ho scritto il codice preciso:
<?php
//$menu è il tuo array esempio: ["A","C","D"];
//$menu_js è la variabile che "stamperai" per javascript
$menu_js="[";
foreach($menu as $value){
$menu_js.="\"".$value."\",";
}
$menu_js=preg_replace("/,$/","",$menu_js); // elimina l'ultima virgola in eccesso altrimenti sarebbe ["A","C","D",
$menu_js.="]";
?>
E lo ripeschi da javascript con:
<script type="text/javascript">
var menu1=<?php echo $menu_js; ?>; // stampa ["A","C","D"]
// menu1 è il menu1 della funziona js ad esempio
</script>
Stai solo attento ai " e '