var xOp7Up,xOp6Dn,xIE4Up,xIE4,xIE5,xNN4,xUA=navigator.userAgent.toLowerCase();

if(window.opera){
	var i=xUA.indexOf('opera');
	if(i!=-1){
		var v=parseInt(xUA.charAt(i+6));
		xOp7Up=v>=7;xOp6Dn=v<7;
	}
} else if(navigator.vendor!='KDE' && document.all && xUA.indexOf('msie')!=-1){
	xIE4Up=parseFloat(navigator.appVersion)>=4;
	xIE4=xUA.indexOf('msie 4')!=-1;
	xIE5=xUA.indexOf('msie 5')!=-1;
} else if(document.layers){
	xNN4=true;
}

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

function xBackground(e,c,i){
	if(!(e=xGetElementById(e)))
		return '';var bg='';
	if(e.style) {
		if(xStr(c)) {
			if(!xOp6Dn) e.style.backgroundColor=c;
			else e.style.background=c;
		}
		if(xStr(i)) e.style.backgroundImage=(i!='')? 'url('+i+')' : null;
		if(!xOp6Dn) bg=e.style.backgroundColor;
		else bg=e.style.background;
	}
	return bg;
}

function xClientHeight(){
	var h=0;
	if(xOp6Dn)
		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 xClientWidth(){
	var w=0;
	if(xOp6Dn)
		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 xClip(e,t,r,b,l){
	if(!(e=xGetElementById(e))) return;
	if(e.style) {
		if (xNum(l)) e.style.clip='rect('+t+'px '+r+'px '+b+'px '+l+'px)';
		else e.style.clip='rect(0 '+parseInt(e.style.width)+'px '+parseInt(e.style.height)+'px 0)';
	}
}

function xColor(e,s){
	if(!(e=xGetElementById(e))) return '';
	var c='';
	if(e.style && xDef(e.style.color)) {
		if(xStr(s)) e.style.color=s;c=e.style.color;
	}
	return c;
}

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

function xDisplay(e,s){
	if(!(e=xGetElementById(e))) return null;
	if(e.style && xDef(e.style.display)) {
		if (xStr(s)) e.style.display = s;
		return e.style.display;
	}
	return null;
}

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 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 xHasPoint(e,x,y,t,r,b,l){
	if (!xNum(t)){
		t=r=b=l=0;
	} else if (!xNum(r)){
		r=b=l=t;
	} else if (!xNum(b)){
		l=r; b=t;
	}
	var eX = xPageX(e), eY = xPageY(e);
	return (x >= eX + l && x <= eX + xWidth(e) - r &&y >= eY + t && y <= eY + xHeight(e) - b );
}

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 (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
		h = xClientHeight();
	} else 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 xHide(e){
	return xVisibility(e,0);
}

function xLeft(e, iX){
	if(!(e=xGetElementById(e))) return 0;
	var css=xDef(e.style);
	if (css && xStr(e.style.left)) {
		if(xNum(iX)) e.style.left=iX+'px';
		else {
			iX=parseInt(e.style.left);
			if(isNaN(iX)) iX=0;
		}
	} else if(css && xDef(e.style.pixelLeft)) {
		if(xNum(iX)) e.style.pixelLeft=iX;
		else iX=e.style.pixelLeft;
	}
	return iX;
}

function xMoveTo(e,x,y){
	xLeft(e,x);
	xTop(e,y);
}

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

function xOffsetLeft(e){
	if (!(e=xGetElementById(e))) return 0;
	if (xDef(e.offsetLeft)) return e.offsetLeft;
	else return 0;
}

function xOffsetTop(e){
	if (!(e=xGetElementById(e))) return 0;
	if (xDef(e.offsetTop)) return e.offsetTop;
	else return 0;
}

function xPageX(e){
	if (!(e=xGetElementById(e))) return 0;
	var x = 0;
	while (e) {
		if (xDef(e.offsetLeft)) x += e.offsetLeft;
		e = xDef(e.offsetParent) ? e.offsetParent : null;
	}
	return x;
}

function xPageY(e){
	if (!(e=xGetElementById(e))) return 0;
	var y = 0;
	while (e) {
		if (xDef(e.offsetTop)) y += e.offsetTop;
		e = xDef(e.offsetParent) ? e.offsetParent : null;
	}
	return y;
}

function xParent(e, bNode){
	if (!(e=xGetElementById(e))) return null;
	var p=null;
	if (!bNode && xDef(e.offsetParent)) p=e.offsetParent;
	else if (xDef(e.parentNode)) p=e.parentNode;
	else if (xDef(e.parentElement)) p=e.parentElement;
	return p;
}

function xResizeTo(e,w,h){
	xWidth(e,w);
	xHeight(e,h);
}

function xScrollLeft(e, bWin){
	var offset=0;
	if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
		var w = window;
		if (bWin && e) w = e;
		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 || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
		var w = window;
		if (bWin && e) w = e;
		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 xShow(e) {
	return xVisibility(e,1);
}

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

function xTop(e, iY){
	if(!(e=xGetElementById(e))) return 0;
	var css=xDef(e.style);
	if(css && xStr(e.style.top)) {
		if(xNum(iY)) e.style.top=iY+'px';
		else {
			iY=parseInt(e.style.top);
			if(isNaN(iY)) iY=0;
		}
	} else if(css && xDef(e.style.pixelTop)) {
		if(xNum(iY)) e.style.pixelTop=iY;
		else iY=e.style.pixelTop;
	}
	return iY;
}

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;
}

function xWidth(e,w){
	if(!(e=xGetElementById(e))) return 0;
	if (xNum(w)) {
		if (w<0) w = 0;
		else w=Math.round(w);
	} else w=-1;
	var css=xDef(e.style);
	if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
		w = xClientWidth();
	} else if(css && xDef(e.offsetWidth) && xStr(e.style.width)) {
		if(w>=0) {
			var pl=0,pr=0,bl=0,br=0;
			if (document.compatMode=='CSS1Compat') {
				var gcs = xGetComputedStyle;
				pl=gcs(e,'padding-left',1);
				if (pl !== null) {
					pr=gcs(e,'padding-right',1);
					bl=gcs(e,'border-left-width',1);
					br=gcs(e,'border-right-width',1);
				} else if(xDef(e.offsetWidth,e.style.width)){
					e.style.width=w+'px';
					pl=e.offsetWidth-w;
				}
			}
			w-=(pl+pr+bl+br);
			if(isNaN(w)||w<0) return;
			else e.style.width=w+'px';
		}
		w=e.offsetWidth;
	} else if(css && xDef(e.style.pixelWidth)) {
		if(w>=0) e.style.pixelWidth=w;
		w=e.style.pixelWidth;
	}return w;
}

function xZIndex(e,uZ){
	if(!(e=xGetElementById(e))) return 0;
	if(e.style && xDef(e.style.zIndex)) {
		if(xNum(uZ)) e.style.zIndex=uZ;
		uZ=parseInt(e.style.zIndex);
	}
	return uZ;
}

/* x_event.js compiled from X 4.0 with XC 0.27b. Distributed by GNU LGPL. For copyrights, license, documentation and more visit Cross-Browser.com */
function xAddEventListener(e,eT,eL,cap)
{
	if(!(e=xGetElementById(e)))
		return;
	eT=eT.toLowerCase();
	if((!xIE4Up && !xOp7Up) && 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 xEvent(evt)
{
	var e = evt || window.event;
	if(!e)
		return;
		
	if(e.type)
		this.type = e.type;
		
	if(e.target)
		this.target = e.target;
	else if(e.srcElement)
		this.target = e.srcElement;
		
	if (e.relatedTarget)
		this.relatedTarget = e.relatedTarget;
	else if (e.type == 'mouseover' && e.fromElement)
		this.relatedTarget = e.fromElement;
	else if (e.type == 'mouseout')
		this.relatedTarget = e.toElement;
		
	if(xOp6Dn)
	{
		this.pageX = e.clientX;
		this.pageY = e.clientY;
	}
	else if(xDef(e.pageX,e.pageY))
	{
		this.pageX = e.pageX;
		this.pageY = e.pageY;
	}
	else if(xDef(e.clientX,e.clientY))
	{
		this.pageX = e.clientX + xScrollLeft();
		this.pageY = e.clientY + xScrollTop();
	}
	
	if (xDef(e.offsetX,e.offsetY))
	{
		this.offsetX = e.offsetX;
		this.offsetY = e.offsetY;
	}
	else if (xDef(e.layerX,e.layerY))
	{
		this.offsetX = e.layerX;
		this.offsetY = e.layerY;
	}
	else
	{
		this.offsetX = this.pageX - xPageX(this.target);
		this.offsetY = this.pageY - xPageY(this.target);
	}
	
	if (e.keyCode)
		this.keyCode = e.keyCode;
	else if (xDef(e.which) && e.type.indexOf('key')!=-1)
		this.keyCode = e.which;
	
	this.shiftKey = e.shiftKey;
	this.ctrlKey = e.ctrlKey;
	this.altKey = e.altKey;
}

function xPreventDefault(e)
{
	if (e && e.preventDefault)
		e.preventDefault();
	else if (window.event) window.event.returnValue = false;
}

function xRemoveEventListener(e,eT,eL,cap)
{
	if(!(e=xGetElementById(e)))
		return;
		
	eT=eT.toLowerCase();
	if((!xIE4Up && !xOp7Up) && e==window)
	{
		if(eT=='resize')
			window.xREL=null; return;
			
		if(eT=='scroll')
			window.xSEL=null; return;
	}
	var eh='e.on'+eT+'=null';
	if(e.removeEventListener)
		e.removeEventListener(eT,eL,cap);
	else if(e.detachEvent)
		e.detachEvent('on'+eT,eL);
	else eval(eh);
}

function xStopPropagation(evt)
{
	if (evt && evt.stopPropagation)
		evt.stopPropagation();
	else if (window.event)
		window.event.cancelBubble = true;
}

/* xMenu1 Object Prototype

  Parameters:
    triggerId   - id string of trigger element.
    menuId      - id string of menu.
    mouseMargin - integer margin around menu;
                  when mouse is outside this margin the menu is hid.
    openEvent   - string name of event on which to open menu ('click', 'mouseover', etc).
*/

var isOpen = false;
var prevMenuId = false;
function xMenu1(triggerId, menuId, mouseMargin, openEvent, xOffset, yOffset)
{
	isOpen = false;
	var trg = xGetElementById(triggerId);
	var mnu = xGetElementById(menuId);
	if (trg && mnu)
		xAddEventListener(trg, openEvent, onOpen, false);

	function onOpen()
	{
		if (prevMenuId && prevMenuId != menuId)
			closeMenu(prevMenuId);
		prevMenuId = menuId;
		xOffset = xOffset ? xOffset : 0;
		yOffset = yOffset ? yOffset : 0;
		xMoveTo(mnu, xPageX(trg) + xOffset, xPageY(trg) + xHeight(trg) + yOffset);
		xShow(mnu);
		xAddEventListener(document, 'mousemove', onMousemove, false);
		isOpen = true;
	}
	function onMousemove(ev)
	{
		var e = new xEvent(ev);
		if (!xHasPoint(mnu, e.pageX, e.pageY, -mouseMargin) && !xHasPoint(trg, e.pageX, e.pageY, -mouseMargin))
		{
			xHide(mnu);
			xRemoveEventListener(document, 'mousemove', onMousemove, false);
			isOpen = false;
		}
	} 
} // end xMenu1

function closeMenu(menuId)
{
	function onMousemove(ev)
	{
		var e = new xEvent(ev);
		if (!xHasPoint(mnu, e.pageX, e.pageY, -mouseMargin) && !xHasPoint(trg, e.pageX, e.pageY, -mouseMargin))
		{
			xHide(mnu);
			xRemoveEventListener(document, 'mousemove', onMousemove, false);
			isOpen = false;
		}
	}
	
	var mnu = xGetElementById(menuId);
	xHide(mnu);
	xRemoveEventListener(document, 'mousemove', onMousemove, false);
	isOpen = false;
}