Uncle Jims Javascript Examples: Menu Scrollers

COPY - Insert Between Head Tags: <HEAD></HEAD>

</style>
<script type="text/javascript" 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!
I will also appriciate any links you could give me.
********************************************************************************/
//Default browsercheck, added to all scripts!
function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
bw=new checkBrowser()
/********************************************************************************
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.
****************************************************************************/

//There are 2 ways these menus can be placed
// 0 = column
// 1 = row
nPlace=0

//How many menus do you have? (remember to copy and add divs in the body if you add menus)
var nNumberOfMenus=2

var nMwidth=101 //The width on the menus (set the width in the stylesheet as well)
var nPxbetween=20 //Pixels between the menus
var nFromleft=10 //The first menus left position
var nFromtop=85 //The top position of the menus
var nBgcolor='#CECFCE' //The bgColor of the bottom mouseover div 
var nBgcolorchangeto='#6380BC' //The bgColor to change to
var nImageheight=11 //The position the mouseover line div will stop at when going up!

/***************************************************************************
You shouldn't have to change anything below this
****************************************************************************/
//Object constructor
function makeNewsMenu(obj,nest){
	nest=(!nest) ? '':'document.'+nest+'.'					
   	this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0;		
	this.evnt=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj):0;			
	this.scrollHeight=bw.ns4?this.css.document.height:this.evnt.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(bw.dom || bw.ie4) this.css.backgroundColor=color; else this.css.bgColor=color}
function b_clipTo(t,r,b,l){
	if(bw.ns4){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()
	zindex=10
	for(i=0;i<=nNumberOfMenus;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,nImageheight)
		oTopMenu[i][0].clipTo(0,nMwidth,nImageheight+3,0)
		if(!nPlace) oTopMenu[i][0].moveIt(i*nMwidth+nFromleft+(i*nPxbetween),nFromtop)
		else{
			oTopMenu[i][0].moveIt(nFromleft,i*nImageheight+nFromtop+(i*nPxbetween))
			oTopMenu[i][0].css.zIndex=zindex--
		}
		oTopMenu[i][0].css.visibility="visible"
	}
}
//Moves the menu
function topMenu(num){
	if(oTopMenu[num][1].y==nImageheight) oTopMenu[num][1].slideDown(oTopMenu[num][2].scrollHeight+20,10,40,'oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)')
	else if(oTopMenu[num][1].y==oTopMenu[num][2].scrollHeight+20) oTopMenu[num][1].slideUp(nImageheight,10,40,'oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)')
}
//Changes background onmouseover
function menuOver(num){oTopMenu[num][1].bgChange(nBgcolorchangeto)}
function menuOut(num){oTopMenu[num][1].bgChange(nBgcolor)}

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

COPY - Insert Inside Body: <BODY></BODY>

<div id="divTopMenu0" class="clTopMenu"><a href="#" onmouseover="menuOver(0)" onmouseout="menuOut(0)" onclick="topMenu(0); if(bw.dom || bw.ie4)this.blur(); return false"><img src="images/updates.jpg" width=101 height=11 alt="Site Updates" border=0 align="top"></a>
	<div id="divTopMenuText0" class="clTopMenuText">
		Added some more javascripts to the site and
		some new games today<br><br>
		To see them,<br><a href="http://www.jdstiles.com">GO HERE</a>.
	</div>
	<div id="divTopMenuBottom0" class="clTopMenuBottom"></div>
</div>

<div id="divTopMenu1" class="clTopMenu"><a href="#" onmouseover="menuOver(1)" onmouseout="menuOut(1)" onclick="topMenu(1); if(bw.dom || bw.ie4)this.blur(); return false"><img src="images/mylinks.jpg" width=101 height=11 alt="Site Links" border=0 align="top"></a>
	<div id="divTopMenuText1" class="clTopMenuText">
<a href="http://jdstiles.com/index.html">HOME PAGE</a><br>
<a href="http://jdstiles.com/javamain.html">JAVASCRIPTS</a><br>
<a href="http://jdstiles.com/java/games.html">ON-LINE GAMES</a><br>
<a href="http://jdstiles.com/">DESIGN SETS</a><br>
<a href="http://jdstiles.com/jds.main_office.html">OFFICE TIPS</a><br>
<a href="http://jdstiles.com/java/search.html">SEARCH MY SITE</a><br>
<br><br></div>
<div id="divTopMenuBottom1" class="clTopMenuBottom"></div></div>
<div id="divTopMenu2" class="clTopMenu"><a href="#" onmouseover="menuOver(2)" onmouseout="menuOut(2)" onclick="topMenu(2); if(bw.dom || bw.ie4)this.blur(); return false"><img src="images/info.jpg" width=101 height=11 alt="Site Information" border=0 align="top"></a>
	<div id="divTopMenuText2" class="clTopMenuText">
To see a complete listing<br>
of all my sites, click on<br>
the link below:<br>
<a href="http://jdstiles.com/sitetree.html">SITE INDEX TREE</a><br></div>
<div id="divTopMenuBottom2" class="clTopMenuBottom"></div></div><br>