// JScript File
/********************************************************************************
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()
/* Set the variables below.
If you look at the init function you can see that you can also set
these variables different for each menu!
*/

//Do you want the menus to move with the page if the user scroll the page?
var MoveOnScroll=true


//LEFTMENU VARIABLES ***********************************************
//How many pixels should it move every step? 
var lMove=10;

//At what speed (in milliseconds, lower value is more speed)
var lSpeed=40

//How much of the menu should be visible in the in state?
var lShow=40


/********************************************************************
Contructs the menuobjects -Object functions
*********************************************************************/
function makeMenu(obj,nest,show,move,speed,topleft){
    nest=(!nest) ? '':'document.'+nest+'.'
	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
  	this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;		
	this.x=(bw.ns4 || bw.ns5)? this.css.left:this.el.offsetLeft;
	this.y=(bw.ns4 || bw.ns5)? this.css.top:this.el.offsetTop;		
	this.state=1; this.go=0; this.mup=b_mup; this.show=show; this.mdown=b_mdown; 
	this.height=bw.ns4?this.css.document.height:this.el.offsetHeight
	this.width=bw.ns4?this.css.document.width:this.el.offsetWidth	
	this.top=this.y; this.mout=b_mout; this.min=b_min;
	this.topleft=topleft
	this.moveIt=b_moveIt; this.move=move; this.speed=speed
    this.obj = obj + "Object"; 	eval(this.obj + "=this")	
}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}
//Menu up
function b_mup(){
	if(this.y>-this.height+this.show){
		this.go=1; this.moveIt(this.x,this.y-this.move)
		setTimeout(this.obj+".mup()",this.speed)
	}else{this.go=0; this.state=1}	
}
//Menu down
function b_mdown(){
	if(this.y<eval(scrolled)){
		this.go=1; this.moveIt(this.x,this.y+this.move)
		setTimeout(this.obj+".mdown()",this.speed)
	}else{this.go=0; this.state=0}	
}
//Menu in
function b_min(){
	if(this.x>-this.width+this.show){
		this.go=1; this.moveIt(this.x-this.move,this.y)
		setTimeout(this.obj+".min()",this.speed)
	}else{this.go=0; this.state=1}	
}
//Menu out
function b_mout(){
	if(this.x<0){
		this.go=1; this.moveIt(this.x+this.move,this.y)
		setTimeout(this.obj+".mout()",this.speed)
	}else{this.go=0; this.state=0}	
}
/********************************************************************************
Deciding what way to move the menu (this is called onmouseover, onmouseout or onclick)
********************************************************************************/
function moveMenu(num){
	if(!oMenu[num].go){
		if(oMenu[num].topleft=="top"){
			if(!oMenu[num].state)oMenu[num].mup()	
			else oMenu[num].mdown()
		}else{
			if(!oMenu[num].state)oMenu[num].min()	
			else oMenu[num].mout()
		}
	}
}
/********************************************************************************
Checking if the page is scrolled, if it is move the menu after
********************************************************************************/
function checkScrolled(){
	for(i=0;i<oMenu.length;i++){
		if(!oMenu[i].go){
			if(oMenu[i].topleft=="top"){
				y=!oMenu[i].state?eval(scrolled):eval(scrolled)-oMenu[i].height+oMenu[i].show
				oMenu[i].moveIt(oMenu[i].x,y)
			}else oMenu[i].moveIt(oMenu[i].x,eval(scrolled)+oMenu[i].top)
		}
	}
	if(bw.ns4) setTimeout('checkScrolled()',40)
}
/********************************************************************************
Inits the page, makes the menu object, moves it to the right place, 
show it
********************************************************************************/
function topMenuInit(){
	oMenu=new Array()
	//These used the default variables:
	oMenu[0]=new makeMenu('divMenu0','',lShow,lMove,lSpeed,"left") //Leftmenu
	
	//You can add as many menus you want like the lines above.
	
	scrolled=bw.ns4?"window.pageYOffset":"document.body.scrollTop"
	//Placing and showing menus
	for(i=0;i<oMenu.length;i++){
		if(oMenu[i].topleft=="top") oMenu[i].moveIt(oMenu[i].x,-oMenu[i].height+oMenu[i].show)
		else oMenu[i].moveIt(-oMenu[i].width+oMenu[i].show,oMenu[i].y)
		oMenu[i].css.visibility='visible'
	}
	if(MoveOnScroll) bw.ns4?checkScrolled():window.onscroll=checkScrolled;
}

//Initing menu on pageload
onload=topMenuInit;