/* X Library, Copyright (C) 2001,2002,2003,2004,2005 Michael Foster (Cross-Browser.com). Distributed under the terms of the GNU LGPL */
/* layout2or3_xlib.js compiled with XC v0.22b, see layout2or3_xlib.txt for contributor copyrights, license info and documentation */
var xVersion='4.0',xOp7,xOp5or6,xIE4Up,xIE4,xIE5,xNN4,xMoz,xMac,xUA=navigator.userAgent.toLowerCase();

if (window.opera)
{
	xOp7=(xUA.indexOf('opera 7')!=-1 || xUA.indexOf('opera/7')!=-1);
	if (!xOp7) xOp5or6=(xUA.indexOf('opera 5')!=-1 || xUA.indexOf('opera/5')!=-1 || xUA.indexOf('opera 6')!=-1 || xUA.indexOf('opera/6')!=-1);
}
else if (document.all && xUA.indexOf('msie')!=-1) 
{
	xIE4Up=parseInt(navigator.appVersion)>=4;xIE4=xUA.indexOf('msie 4')!=-1;xIE5=xUA.indexOf('msie 5')!=-1;
}
else if (document.layers) 
{
	xNN4=true;
}

xMoz=xUA.indexOf('gecko')!=-1;
xMac=xUA.indexOf('mac')!=-1;

function xGetElementById(e)
{
	if(typeof(e)!='string') return e;
	if(document.getElementById) 
	{ e=document.getElementById(e); }
	else if(document.all) 
	{ e=document.all[e]; }
	else
	{ e=null;return e; }
}

function xStr(s)
{
	for(var i=0; i<arguments.length; ++i)
	{
		if(typeof(arguments[i])!='string') 
		{ return false; }
	}
	return true;
}

function xScrollLeft(e, bWin)
{
	var offset=0;
	if (!xDef(e) || bWin) 
	{
		var w = e || window;
		if(w.document.documentElement && w.document.documentElement.scrollLeft) 
		{ offset=w.document.documentElement.scrollLeft; }
		else if(w.document.body && xDef(w.document.body.scrollLeft)) 
		{ offset=w.document.body.scrollLeft; }
	}
	else 
	{
		e = xGetElementById(e);
		if (e && xNum(e.scrollLeft)) 
		{ offset = e.scrollLeft; }
	}
	return offset;
}

function xScrollTop(e, bWin)
{
	var offset=0;
	if (!xDef(e) || bWin) 
	{
		var w = e || window;
		if(w.document.documentElement && w.document.documentElement.scrollTop) 
		{ offset=w.document.documentElement.scrollTop; }
		else if(w.document.body && xDef(w.document.body.scrollTop)) 
		{ offset=w.document.body.scrollTop; }
	}
	else 
	{
		e = xGetElementById(e);
		if (e && xNum(e.scrollTop)) 
		{ offset = e.scrollTop; }
	}
	return offset;
}

function xHeight(e,h)
{
	if(!(e=xGetElementById(e))) 
	{ return 0; }
	
	if (xNum(h)) 
	{
		if (h<0) 
		{ h = 0; }
		else 
		{ h=Math.round(h); }
	}
	else 
	{ h=-1; }
	var css=xDef(e.style);
	
	if(css && xDef(e.offsetHeight) && xStr(e.style.height)) 
	{
		if(h>=0)
		{
			var pt=0,pb=0,bt=0,bb=0;
			if (document.compatMode=='CSS1Compat') 
			{
				var gcs = xGetComputedStyle;
				pt=gcs(e,'padding-top',1);
				if (pt != null) 
				{
					pb=gcs(e,'padding-bottom',1);
					bt=gcs(e,'border-top-width',1);
					bb=gcs(e,'border-bottom-width',1);
				}
				else if(xDef(e.offsetHeight,e.style.height))
				{
					e.style.height=h+'px';
					pt=e.offsetHeight-h;
				}
			}
			h-=(pt+pb+bt+bb);
			if(isNaN(h)||h<0) 
			{ return; }
			else 
			{ e.style.height=h+'px'; }
		}
		h=e.offsetHeight;
	}
	else if(css && xDef(e.style.pixelHeight)) 
	{
		if(h>=0) 
		{ e.style.pixelHeight=h; }
		h=e.style.pixelHeight;
	}
	return h;
}

function xClientWidth()
{
	var w=0;
	if(xOp5or6) 
	{ w=window.innerWidth; }
	else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientWidth)
	{ w=document.documentElement.clientWidth; }
	else if(document.body && document.body.clientWidth)
	{ w=document.body.clientWidth; }
	else if(xDef(window.innerWidth,window.innerHeight,document.height)) 
	{
		w=window.innerWidth;
		if(document.height>window.innerHeight)
		{ w-=16; }
	}
	return w;
}

function xClientHeight()
{
	var h=0;
	if(xOp5or6) 
	{ h=window.innerHeight; }
	else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientHeight)
	{ h=document.documentElement.clientHeight; }
	else if(document.body && document.body.clientHeight)
	{ h=document.body.clientHeight; }
	else if(xDef(window.innerWidth,window.innerHeight,document.width)) 
	{
		h=window.innerHeight;
		if(document.width>window.innerWidth) 
		{ h-=16; }
	}
	return h;
}

function xAddEventListener(e,eT,eL,cap)
{
	if(!(e=xGetElementById(e))) 
	{ return; }
	eT=eT.toLowerCase();
	if((!xIE4Up && !xOp7 /* && !xMoz */) && e==window) 
	{
		if(eT=='resize') 
		{ 
			window.xPCW=xClientWidth(); 
			window.xPCH=xClientHeight(); 
			window.xREL=eL; xResizeEvent(); 
			return; 
		}
		if(eT=='scroll') 
		{ 
			window.xPSL=xScrollLeft(); 
			window.xPST=xScrollTop(); 
			window.xSEL=eL; 
			xScrollEvent(); 
			return; 
		}
	}
	var eh='e.on'+eT+'=eL';
	if(e.addEventListener) 
	{ e.addEventListener(eT,eL,cap); }
	else if(e.attachEvent) 
	{ e.attachEvent('on'+eT,eL); }
	else 
	{ eval(eh); }
}

function xResizeEvent()
{
	if (window.xREL) 
	{ setTimeout('xResizeEvent()', 250); }
	var cw = xClientWidth(), ch = xClientHeight();
	if (window.xPCW != cw || window.xPCH != ch) 
	{
		window.xPCW = cw; 
		window.xPCH = ch; 
		if (window.xREL) 
		{ window.xREL(); }
	}
}

function xScrollEvent()
{
	if (window.xSEL) 
	{ setTimeout('xScrollEvent()', 250); }
	var sl = xScrollLeft(), st = xScrollTop();
	if (window.xPSL != sl || window.xPST != st) 
	{ 
		window.xPSL = sl; window.xPST = st;
		if (window.xSEL) 
		{ window.xSEL(); }
	}
}

function xGetComputedStyle(oEle, sProp, bInt)
{
	var s, p = 'undefined';
	var dv = document.defaultView;
	if(dv && dv.getComputedStyle)
	{
		s = dv.getComputedStyle(oEle,'');
		if (s) 
		{ p = s.getPropertyValue(sProp); }
	}
	else if(oEle.currentStyle) 
	{
		var a = sProp.split('-');
		sProp = a[0];
		
		for (var i=1; i<a.length; ++i) 
		{
			c = a[i].charAt(0);
			sProp += a[i].replace(c, c.toUpperCase());
		}  
		p = oEle.currentStyle[sProp];
	}
	else 
	{ return null; }
	return bInt ? (parseInt(p) || 0) : p;
}

function xShow(e) 
{
	return xVisibility(e,1);
}

function xDef()
{
	for(var i=0; i<arguments.length; ++i)
	{
		if(typeof(arguments[i])=='undefined') 
		{ return false; }
	}
	return true;
}

function xNum()
{
	for(var i=0; i<arguments.length; ++i)
	{
		if(isNaN(arguments[i]) || typeof(arguments[i])!='number') 
		{ return false; }
	}
	return true;
}

function xVisibility(e, bShow)
{
	if(!(e=xGetElementById(e))) 
	{ return null; }
	
	if(e.style && xDef(e.style.visibility)) 
	{
		if (xDef(bShow)) 
		{ e.style.visibility = bShow ? 'visible' : 'hidden'; }
		return e.style.visibility;
	}
	return null;
}