Un ottimo menu a tendina che resta sempre in testa alla pagina anche quando si scrolla verso il basso.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Top Navigational
Bar</TITLE>
<META http-equiv=Content-Type content="text/html; charset=windows-1252">
<STYLE>all.clsMenuItemNS {
FONT: bold x-small Verdana; COLOR: white; TEXT-DECORATION: none
}
.clsMenuItemIE {
FONT: bold xx-small Verdana; CURSOR: hand; COLOR: white; TEXT-DECORATION: none
}
A:hover {
COLOR: red
}
</STYLE>
<META content="MSHTML 6.00.2600.0" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff leftMargin=0 background=topmenu1_files/dynamicback2.gif
topMargin=0 marginheight="0" marginwidth="0">
<P><!--webbot bot="HTMLMarkup" startspan -->
<SCRIPT language=JavaScript src="menu.js">
/*
Static Top Menu Script
By Constantin Kuznetsov Jr. (GoldenFox@bigfoot.com)
Featured on Dynamicdrive.com
For full source code and installation instructions to this script, visit Dynamicdrive.com
*/
</SCRIPT>
<SCRIPT language=JavaScript src="menucontext.js"></SCRIPT>
<SCRIPT language=JavaScript>
showToolbar();
</SCRIPT>
<SCRIPT language=JavaScript>
function UpdateIt(){
if (document.all){
document.all["MainTable"].style.top = document.body.scrollTop;
setTimeout("UpdateIt()", 200);
}
}
UpdateIt();
</SCRIPT>
<!--webbot bot="HTMLMarkup" endspan --></P>
<p> </p>
<p> </p>
<p>vai giu vedrai che il menu ti segue</p>
<p> </p>
<p> </p>
<p> </p>
<p>....</p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p>vai giu</p>
<p> </p>
<p> </p>
<p> </p>
<p>...</p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
</BODY></HTML>
File menu.js
if (document.all) {n=0;ie=1;fShow="visible";fHide="hidden";}
if (document.layers) {n=1;ie=0;fShow="show"; fHide="hide";}
window.onerror=new Function("return true")
////////////////////////////////////////////////////////////////////////////
// Function Menu() //
////////////////////////////////////////////////////////////////////////////
rightX = 0;
function Menu()
{
this.bgColor = "#008080";
if (ie) this.menuFont = "bold xx-small Verdana";
if (n) this.menuFont = "bold x-small Verdana";
// this.fontColor = "white";
this.addItem = addItem;
this.addSubItem = addSubItem;
this.showMenu = showMenu;
this.mainPaneBorder = 1;
this.subMenuPaneBorder = 1;
this.subMenuPaneWidth = 150;
lastMenu = null;
rightY = 0;
leftY = 0;
leftX = 0;
HTMLstr = "";
HTMLstr += "<!-- MENU PANE DECLARATION BEGINS -->\n";
HTMLstr += "\n";
if (ie) HTMLstr += "<div id='MainTable' style='position:relative'>\n";
// if (n) HTMLstr += "<layer name='MainTable'>\n";
HTMLstr += "<table width='100%' bgcolor='"+this.bgColor+"'
border='"+this.mainPaneBorder+"'>\n";
HTMLstr += "<tr>";
if (n) HTMLstr += "<td> ";
HTMLstr += "<!-- MAIN MENU STARTS -->\n";
HTMLstr += "<!-- MAIN_MENU -->\n";
HTMLstr += "<!-- MAIN MENU ENDS -->\n";
if (n) HTMLstr += "</td>";
HTMLstr += "</tr>\n";
HTMLstr += "</table>\n";
HTMLstr += "\n";
HTMLstr += "<!-- SUB MENU STARTS -->\n";
HTMLstr += "<!-- SUB_MENU -->\n";
HTMLstr += "<!-- SUB MENU ENDS -->\n";
HTMLstr += "\n";
if (ie) HTMLstr+= "</div>\n";
// if (n) HTMLstr+= "</layer>\n";
HTMLstr += "<!-- MENU PANE DECALARATION ENDS -->\n";
}
function addItem(idItem, text, hint, location, altLocation)
{
var Lookup = "<!-- ITEM "+idItem+" -->";
if (HTMLstr.indexOf(Lookup) != -1)
{
alert(idParent + " already exist");
return;
}
var MENUitem = "";
MENUitem += "\n<!-- ITEM "+idItem+" -->\n";
if (n)
{
MENUitem += "<ilayer name="+idItem+">";
MENUitem += "<a href='.' class=clsMenuItemNS onmouseover=\"displaySubMenu('"+idItem+"')\" onclick=\"return
false;\">";
MENUitem += "| ";
MENUitem += text;
MENUitem += "</a>";
MENUitem += "</ilayer>";
}
if (ie)
{
MENUitem += "<td>\n";
MENUitem += "<div id='"+idItem+"' style='position:relative;
font: "+this.menuFont+";'>\n";
MENUitem += "<a ";
MENUitem += "class=clsMenuItemIE ";
// MENUitem += "style='text-decoration: none; font: "+this.menuFont+";
color: "+this.fontColor+"; cursor: hand;' ";
if (hint != null)
MENUitem += "title='"+hint+"' ";
if (location != null)
{
MENUitem += "href='"+location+"' ";
MENUitem += "onmouseover=\"hideAll()\" ";
}
else
{
if (altLocation != null)
MENUitem += "href='"+altLocation+"' ";
else
MENUitem += "href='.' ";
MENUitem += "onmouseover=\"displaySubMenu('"+idItem+"')\" ";
MENUitem += "onclick=\"return false;\" "
}
MENUitem += ">";
MENUitem += "| \n";
MENUitem += text;
MENUitem += "</a>\n";
MENUitem += "</div>\n";
MENUitem += "</td>\n";
}
MENUitem += "<!-- END OF ITEM "+idItem+" -->\n\n";
MENUitem += "<!-- MAIN_MENU -->\n";
HTMLstr = HTMLstr.replace("<!-- MAIN_MENU -->\n", MENUitem);
}
function addSubItem(idParent, text, hint, location)
{
var MENUitem = "";
Lookup = "<!-- ITEM "+idParent+" -->";
if (HTMLstr.indexOf(Lookup) == -1)
{
alert(idParent + " not found");
return;
}
Lookup = "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->";
if (HTMLstr.indexOf(Lookup) == -1)
{
if (n)
{
MENUitem += "\n";
MENUitem += "<layer id='"+idParent+"submenu' visibility=hide
bgcolor='"+this.bgColor+"'>\n";
MENUitem += "<table border='"+this.subMenuPaneBorder+"' bgcolor='"+this.bgColor+"'
width="+this.subMenuPaneWidth+">\n";
MENUitem += "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
MENUitem += "</table>\n";
MENUitem += "</layer>\n";
MENUitem += "\n";
}
if (ie)
{
MENUitem += "\n";
MENUitem += "<div id='"+idParent+"submenu' style='position:absolute;
visibility: hidden; width: "+this.subMenuPaneWidth+"; font: "+this.menuFont+";
top: -300;'>\n";
MENUitem += "<table border='"+this.subMenuPaneBorder+"' bgcolor='"+this.bgColor+"'
width="+this.subMenuPaneWidth+">\n";
MENUitem += "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
MENUitem += "</table>\n";
MENUitem += "</div>\n";
MENUitem += "\n";
}
MENUitem += "<!-- SUB_MENU -->\n";
HTMLstr = HTMLstr.replace("<!-- SUB_MENU -->\n", MENUitem);
}
Lookup = "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
if (n) MENUitem = "<tr><td><a class=clsMenuItemNS title='"+hint+"'
href='"+location+"'>"+text+"</a><br></td></tr>\n";
if (ie) MENUitem = "<tr><td><a class=clsMenuItemIE title='"+hint+"'
href='"+location+"'>"+text+"</a><br></td></tr>\n";
MENUitem += Lookup;
HTMLstr = HTMLstr.replace(Lookup, MENUitem);
}
function showMenu()
{
document.writeln(HTMLstr);
}
////////////////////////////////////////////////////////////////////////////
// Private declaration
function displaySubMenu(idMainMenu)
{
var menu;
var submenu;
if (n)
{
submenu = document.layers[idMainMenu+"submenu"];
if (lastMenu != null && lastMenu != submenu) hideAll();
submenu.left = document.layers[idMainMenu].pageX;
submenu.top = document.layers[idMainMenu].pageY + 25;
submenu.visibility = fShow;
leftX = document.layers[idMainMenu+"submenu"].left;
rightX = leftX + document.layers[idMainMenu+"submenu"].clip.width;
leftY = document.layers[idMainMenu+"submenu"].top+
document.layers[idMainMenu+"submenu"].clip.height;
rightY = leftY;
} else if (ie) {
menu = eval(idMainMenu);
submenu = eval(idMainMenu+"submenu.style");
submenu.left = calculateSumOffset(menu, 'offsetLeft');
// submenu.top = calculateSumOffset(menu, 'offsetTop') + 30;
submenu.top = menu.style.top+23;
submenu.visibility = fShow;
if (lastMenu != null && lastMenu != submenu) hideAll();
leftX = document.all[idMainMenu+"submenu"].style.posLeft;
rightX = leftX + document.all[idMainMenu+"submenu"].offsetWidth;
leftY = document.all[idMainMenu+"submenu"].style.posTop+
document.all[idMainMenu+"submenu"].offsetHeight;
rightY = leftY;
}
lastMenu = submenu;
}
function hideAll()
{
if (lastMenu != null) {lastMenu.visibility = fHide;lastMenu.left = 0;}
}
function calculateSumOffset(idItem, offsetName)
{
var totalOffset = 0;
var item = eval('idItem');
do
{
totalOffset += eval('item.'+offsetName);
item = eval('item.offsetParent');
} while (item != null);
return totalOffset;
}
function updateIt(e)
{
if (ie)
{
var x = window.event.clientX;
var y = window.event.clientY;
if (x > rightX || x < leftX) hideAll();
else if (y > rightY) hideAll();
}
if (n)
{
var x = e.pageX;
var y = e.pageY;
if (x > rightX || x < leftX) hideAll();
else if (y > rightY) hideAll();
}
}
if (document.all)
{
document.body.onclick=hideAll;
document.body.onscroll=hideAll;
document.body.onmousemove=updateIt;
}
if (document.layers)
{
document.onmousedown=hideAll;
window.captureEvents(Event.MOUSEMOVE);
window.onmousemove=updateIt;
}
File menucontext.js
function showToolbar()
{
// AddItem(id, text, hint, location, alternativeLocation);
// AddSubItem(idParent, text, hint, location);
menu = new Menu();
menu.addItem("webmasterid", "Web Building Sites", "Web
Building Sites", null, null);
menu.addItem("newsid", "News Sites", "News Sites",
null, null);
menu.addItem("freedownloadid", "Free Downloads", "Free
Downloads", null, null);
menu.addItem("searchengineid", "Search Engines", "Search
Engines", null, null);
menu.addItem("miscid", "Miscellaneous", "Miscellaneous",
null, null);
menu.addSubItem("webmasterid", "Dynamic Drive", "Dynamic
Drive", "http://www.dynamicdrive.com/");
menu.addSubItem("webmasterid", "Website Abstraction", "Website
Abstraction", "http://www.wsabstract.com/");
menu.addSubItem("webmasterid", "Web Review", "Web Review", "http://www.webreview.com/");
menu.addSubItem("webmasterid", "Developer.com", "Developer.com", "http://www.developer.com/");
menu.addSubItem("webmasterid", "Freewarejava.com", "Freewarejava.com", "http://www.freewarejava.com/");
menu.addSubItem("webmasterid", "Web Monkey", "Web Monkey", "http://www.webmonkey.com/");
menu.addSubItem("webmasterid", "Jars", "Jars", "http://www.jars.com/");
menu.addSubItem("webmasterid", "Intro DHTML Guide", "Intro
DHTML Guide", "http://members.tripod.com/~toolmandavid");
menu.addSubItem("newsid", "CNN", "CNN", "http://www.cnn.com");
menu.addSubItem("newsid", "ABC News", "ABC News", "http://www.abcnews.com");
menu.addSubItem("newsid", "MSNBC", "MSNBC", "http://www.msnbc.com");
menu.addSubItem("newsid", "CBS news", "CBS News", "http://www.cbsnews.com");
menu.addSubItem("newsid", "News.com", "News.com", "http://news.com");
menu.addSubItem("newsid", "Wired News", "Wired News", "http://www.wired.com");
menu.addSubItem("newsid", "TechWeb", "TechWeb", "http://www.techweb.com");
menu.addSubItem("freedownloadid", "Dynamic Drive", "Dynamic
Drive", "http://www.dynamicdrive.com/");
menu.addSubItem("freedownloadid", "Download.com", "Download.com", "http://download.com/");
menu.addSubItem("freedownloadid", "Jumbo", "Jumbo", "http://www.jumbo.com/");
menu.addSubItem("freedownloadid", "Tucows", "Tucows", "http://tucows.com/");
menu.addSubItem("freedownloadid", "WinFiles.com", "WinFiles.com", "http://winfiles.com/");
menu.addSubItem("searchengineid", "Yahoo", "Yahoo", "http://www.yahoo.com/");
menu.addSubItem("searchengineid", "Infoseek", "Infoseek", "http://www.infoseek.com/");
menu.addSubItem("searchengineid", "Excite", "Excite", "http://www.excite.com");
menu.addSubItem("searchengineid", "HotBot", "HotBot", "http://www.hotbot.com");
menu.addSubItem("miscid", "Hitbox.com", "Hitbox.com", "http://www.hitbox.com/");
menu.addSubItem("miscid", "Cnet", "Cnet", "http://www.cnet.com/");
menu.addSubItem("miscid", "Andover.net", "Andover.net", "http://www.andover.net/");
menu.addSubItem("miscid", "RealAudio", "RealAudio", "http://www.realaudio.com/");
menu.addSubItem("miscid", "MP3.com", "MP3.com", "http://www.mp3.com/");
menu.showMenu();
}
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