/****************************************************************************   
DHTML library from DHTMLCentral.com
*   Copyright (C) 2001 Thomas Brattli 2001
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by Thomas Brattli 2001
***************************************************************************/

//Browsercheck (needed) ***************
function lib_bwcheck(){ 
	this.ver = navigator.appVersion;
	this.agent = navigator.userAgent;
	this.dom = document.getElementById?1:0;
	this.opera6 = (this.agent.indexOf("Opera 6")>-1 && this.dom && !this.opera5)?1:0;
	this.opera5 = this.agent.indexOf("Opera 5")>-1;
	this.ie6 = (this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie4 = (document.all && !this.dom && !this.opera5)?1:0;
	this.ie = (this.ie4||this.ie5||this.ie6);
	this.mac = this.agent.indexOf("Mac")>-1;
	this.ns6 = (this.dom && parseInt(this.ver) >= 5)?1:0; 
	this.ns4 = (document.layers && !this.dom)?1:0;
	this.bw = (this.ie6||this.ie5||this.ie4||this.ns6||this.ns4||this.opera6||this.opera5);
	return this;
}
var bw = new lib_bwcheck() //Browsercheck object

//Debug function ******************
function lib_message(txt){alert(txt); return false}

//Lib objects  ********************
function lib_obj(obj,nest){ 
	if(!bw.bw) 
		return lib_message('Old browser');
	nest = (!nest) ? "":'document.' + nest + '.';
	this.evnt = bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest + "document.layers." + obj):0;	
	if(!this.evnt) 
		return lib_message('The layer does not exist (' + obj + ')' + '- \nIf you\'re using Netscape please check the nesting of your tags!');
	this.css = bw.dom||bw.ie4?this.evnt.style:this.evnt; 
	this.ref = bw.dom||bw.ie4?document:this.css.document;
	this.x = parseInt(this.css.left)||this.css.pixelLeft||this.evnt.offsetLeft||0;
	this.y = parseInt(this.css.top)||this.css.pixelTop||this.evnt.offsetTop||0;
	this.w = this.evnt.offsetWidth||this.css.clip.width||this.ref.width||this.css.pixelWidth||0; 
	this.h = this.evnt.offsetHeight||this.css.clip.height||this.ref.height||this.css.pixelHeight||0;
	this.c = 0; //Clip values
	if((bw.dom||bw.ie4) && this.css.clip) {
		this.c = this.css.clip;
		this.c = this.c.slice(5,this.c.length-1); 
		this.c = this.c.split(' ');
		for(var i=0; i<4; i++) {
			this.c[i] = parseInt(this.c[i])
		}
	}
	this.ct = this.css.clip.top||this.c[0]||0; 
	this.cr = this.css.clip.right||this.c[1]||this.w||0;
	this.cb = this.css.clip.bottom||this.c[2]||this.h||0; 
	this.cl = this.css.clip.left||this.c[3]||0;
	this.moveIt = lib_obj.prototype.moveIt;
	this.obj = obj + "Object"; 
	eval(this.obj + "= this");
	return this;
}

//Remove object ************
lib_obj.prototype.loseIt = function(){
	this.css.display="none"
}

//Replace object **********
lib_obj.prototype.findIt = function(){
	this.css.display="block"
}

function findItem (m) {
	var obj = new lib_obj (m);
	if (obj.css.display != 'block') {
		obj.findIt();
	}
	else if (obj.css.display = 'block') {
		obj.loseIt();
	}
}


function show(item)
{
    if (item.style.display=='none')
    {
        item.style.display='';
    }
    else
    {
        item.style.display='none'
    }        
}