Scrolling Menu Bar

[JavaScriptBank]

Here's a script that supplies a dropdown menu bar that remains at the top of the screen even if you scroll the page. For the purposes of demonstration, only the links under 'Navigation Links' work. Br... detail

Demo: Scrolling Menu Bar

How to setup

Step 1: Copy & Paste CSS code below in your HEAD section
CSS

<STYLE type=text/css>
A {
	COLOR: blue; TEXT-DECORATION: none
}
A:hover {
	COLOR: red
}
A:visited:unknown {
	COLOR: #808080
}
TD {
	FONT-SIZE: 10pt; FONT-FAMILY: Arial, Helvetica, sans-serif
}
</STYLE>

<STYLE type=text/css>A:hover {
	COLOR: red
}
#divBg {
	LEFT: 0px; VISIBILITY: hidden; POSITION: absolute; TOP: 0px; HEIGHT: 50px
}
DIV.clSub {
	PADDING-RIGHT: 10px; PADDING-LEFT: 10px; FONT-SIZE: 12px; VISIBILITY: hidden; PADDING-BOTTOM: 10px; PADDING-TOP: 10px; FONT-FAMILY: Arial, Helvetica, sans-serif; POSITION: relative; TOP: -5px; BACKGROUND-COLOR: silver; layer-background-color: Silver
}
</STYLE>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

Step 2: Place JavaScript below in your HEAD section
JavaScript

<SCRIPT language=JavaScript1.2> 
<!--//BEGIN Script  
ie=document.all?1:0 
n=document.layers?1:0 
 
//Do you want it to move with the page if the user scroll the page?  
var moveOnScroll=true 
 
//Do you want to hide all the other submenus when you click a new?  
var hideAll=true 
 
/******************************************************************************** 
If you want to change the appearans on the text, or background or anything 
do that in the style tag above, or in the table tag below. 
 
NOTE: This menu have some "small" bugs. 
In Netscape the links in the submenus will work even though the 
submenus are hidden, this has something to do with 
a lousy implementation of the relative positioning in Netscape. 
In IE links "underneath" the submenus will not work even though the 
submenus are hidden. 
I will look into this and might find a fix for it. 
********************************************************************************/ 
 
 
/******************************************************************************** 
Object constructor 
********************************************************************************/ 
function makeMenuBar(obj,nest,vis){ 
    nest=(!nest) ? '':'document.'+nest+'.' 
    this.css=(n) ? eval(nest+'document.'+obj):eval(obj+'.style') 
        this.hideIt=b_hideIt;   this.showIt=b_showIt; this.vis=b_vis                                             
        if(ie && vis) this.css.visibility='hidden' 
        this.state=1 
        this.go=0 
        this.height=n?this.css.document.height:eval(obj+'.offsetHeight') 
        this.top=b_gettop 
    this.obj = obj + "Object";  eval(this.obj + "=this")         
} 
//Get's the top position.  
function b_gettop(){ 
        var gleft=(n) ? eval(this.css.top):eval(this.css.pixelTop); 
        return gleft; 
} 
//The functions for showing and hiding  
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; 
} 
/******************************************************************************** 
Checking if the page is scrolled, if it is move the menu after 
********************************************************************************/ 
function checkScrolled(){ 
        if(!oMenu.go)oMenu.css.top=(!oMenu.state)?eval(scrolled):eval(scrolled) 
        if(n) setTimeout('checkScrolled()',30) 
} 
/******************************************************************************** 
Inits the page, makes the menu object, moves it to the right place,  
show it.. 
********************************************************************************/ 
function menuBarInit(){ 
        oSub=new Array() 
        //Change it here if you want more or less submenus.  
        oSub[0]=new makeMenuBar('divSub0','divBg',1) 
        oSub[1]=new makeMenuBar('divSub1','divBg',1) 
        oSub[2]=new makeMenuBar('divSub2','divBg',1) 
        oSub[3]=new makeMenuBar('divSub3','divBg',1) 
        oSub[4]=new makeMenuBar('divSub4','divBg',1) 
        //Moving menuBar  
        oMenu=new makeMenuBar('divBg') 
        scrolled=n?"window.pageYOffset":"document.body.scrollTop" 
        oMenu.css.top=eval(scrolled) 
        oMenu.css.visibility='visible' 
        if(moveOnScroll) ie?window.onscroll=checkScrolled:checkScrolled(); 
} 
 
/******************************************************************************** 
Shows and hides the submenus 
********************************************************************************/ 
function extract(num){ 
        if(hideAll){ 
                for(i=0;i<oSub.length;i++){ 
                        if(num!=i) oSub[i].hideIt() 
                } 
        } 
        !oSub[num].vis()?oSub[num].hideIt():oSub[num].showIt(); 
 
} 
 
onload=menuBarInit; 
//-->  
</SCRIPT>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

Step 3: Copy & Paste HTML code below in your BODY section
HTML

<DIV id=divBg>
<TABLE cellSpacing=0 cellPadding=5 width="100%" align=center border=0 
valign="MIDDLE">
  <TBODY>

  <TR bgColor=#c0c0c0>
    <TD height=30><A onclick="extract(0); return false" 
      href="">Navigation Links</A></TD>
    <TD><A onclick="extract(1); return false" 
      href="">Choice 2</A></TD>
    <TD><A onclick="extract(2); return false" 
      href="">Choice 3</A></TD>
    <TD><A onclick="extract(3); return false" 
      href="">Choice 4</A></TD>
    <TD><A onclick="extract(4); return false" 
      href="">Choice 5</A></TD></TR><!-- If you don't want submenu, just remove this tr and  
        remove the onclicks above and change the #'s to links -->

  <TR>
    <TD vAlign=top>
      <DIV class=clSub id=divSub0><!-- To make the links link somewhere, just replace the #'s 
                        with the link location --><A 
      href="http://jsbank.topcities.com/home.jpg">Home Page</A><BR><A 
      href="http://jsbank.topcities.com/background/homebackground.jpg">Nền</A><BR><A 
      href="http://jsbank.topcities.com/3d/home3d.jpg">3D</A><BR><A 
      href="http://jsbank.topcities.com/text/hometext.jpg">Chữ</A><BR></DIV></TD>
    <TD vAlign=top>
      <DIV class=clSub id=divSub1><A href="">Sub choice 1</A> <BR><A href="">Sub 
		choice 2</A><BR><A 
      href="">Sub choice 3</A> </DIV></TD>

    <TD vAlign=top>
      <DIV class=clSub id=divSub2><A href="">Sub choice 1</A> <BR><A href="">Sub 
		choice 2</A> </DIV></TD>
    <TD vAlign=top>
      <DIV class=clSub id=divSub3><A href="">Sub choice 1</A> <BR><A href="">Sub 
		choice 2</A><BR><A 
      href="">Sub choice 3</A><BR><A 
      href="">Sub choice 4</A><BR><A 
      href="">Sub choice 5</A> </DIV></TD>

    <TD vAlign=top>
      <DIV class=clSub id=divSub4><A href="">Sub choice 1</A> <BR><A href="">Sub 
		choice 2</A><BR><A 
      href="">Sub choice 3</A><BR><A 
      href="">Sub choice 4</A> 
</DIV></TD></TR></TBODY></TABLE></DIV>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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