/*
FairSky Pages
-------------
Copyright 2004-2005 Joshua Paine
Created by Joshua Paine of FairSky Networks <http://fairsky.us/>
Contact at <http://fairsky.us/contact>
Documentation at <http://fairsky.us/learning/fsp>
Updated 2005-03-25

The latest version should be available at
<http://demo.fairsky.us/javascript/fsp.js>

You may copy, reuse, or produce derivative works of this code
only under the terms of the Linky License v0.1 or later.
The Linky License can be found at <http://fairsky.us/linky>.
The main points of the license are:
	1) Do not alter or remove this notice.
	2) Notify me of your usage through one of the means listed
	   at <http://fairsky.us/contact>.
*/

function documentRegister(tag,effect,func,ev,exclusive)
{
	document.toRegister[document.toRegister.length] = {
		tag:tag,
		effect:effect,
		func:func,
		event:ev,
		exclusive:exclusive
	};
}

function doRegister(n)
{
	if(!n) n = document;
	var t, y;
	var r = document.toRegister;
	for(var x=0; x<r.length; x++)
	{
		t = n.getElementsByTagName(r[x].tag);
		if(r[x].tag=='*' && t.length==0) t = document.all;
		for(y=0; y<t.length; y++)
		{
			if(!r[x].effect || hasClassName(t[y],"Fsp."+r[x].effect) || hasClassName(t[y],r[x].effect) || t[y].className.indexOf("Fsp."+r[x].effect+":") > -1 || t[y].className.indexOf("Fsp."+r[x].effect+".") > -1)
			{
				if(r[x].event == 'load')
				{
					t[y].load = r[x].func;
					t[y].load({ currentTarget:t[y] });
				}
				else
				{
					addEventHandler(t[y],r[x].event,r[x].func,r[x].exclusive);
				}
			}
		}
	}
}

function addEventHandler(el,ev,func,exclusive)
{
	if(exclusive)
	{
		if(eval("el.on"+ev+" = func;")) return true;
		else return false;
	}
	else
	{
		if(el.addEventListener)
		{
			el.addEventListener(ev,func,false);
			return true;
		}
		else if(el.attachEvent)
		{
			return el.attachEvent("on"+ev, func);
		}
		else return false;
	}
}

function dumpProps(obj)
{
	var str, p, i, val;
	i = 0;
	str='';
	for(p in obj)
	{
		val = ''+eval('obj.'+p);
		val = val.substring(0,300);
		str += p+' = '+val+'\n';
		if(i++==15){ alert(str); str=''; i=0; }
	}
	alert(str);
}

function fspImageToolbarRemoval()
{
	this.setAttribute('galleryimg','false');
}

function addClassName(el,newClass)
{
	var ary = el.className.split(' ');
	var x=0;
	while(x<ary.length && ary[x]!=newClass) x++;
	if(x<ary.length) return false;
	else
	{
		ary[ary.length] = newClass;
		el.className = ary.join(' ');
		return true;
	}
}

function removeClassName(el,oldClass)
{
	var ary = el.className.split(' ');
	var className = new Array();
	for(var x=0; x<ary.length; x++) if(ary[x]!=oldClass) className[className.length] = ary[x];
	if(ary.length==className.length) return false;
	else
	{
		el.className = className.join(' ');
		return true;
	}
}

function replaceClassName(el,oldClass,newClass)
{
	var ary = el.className.split(' ');
	var x = 0;
	while(x<ary.length && ary[x]!=oldClass) x++;
	if(x<ary.length)
	{
		el.className = ary.join(' ');
		return true;
	}
	else return false;
}

function hasClassName(el,searchClass)
{
	var ary = el.className.split(' ');
	var x = 0;
	while(x<ary.length && ary[x]!=searchClass && ary[x].substr(0,ary[x].search(":"))!=searchClass) x++;
	return (x<ary.length);
}

document.toRegister = new Array();
document.register = documentRegister;
document.fspUpdate = doRegister;
addEventHandler(window,'load',function(){ doRegister(); },false);
document.register('img',null,fspImageToolbarRemoval,'load',false);