function MM_swapImgRestore() // v3.0
{
	var i, x, a = document.MM_sr;
	for (i=0; a && i<a.length && (x=a[i]) && x.oSrc; i++)
		x.src = x.oSrc;
}

function MM_preloadImages() // v3.0
{
	var d=document;
	if (d.images)
	{
		if (!d.MM_p)
			d.MM_p=new Array();
		var i, j=d.MM_p.length, a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++)
			if (a[i].indexOf("#") != 0)
			{
				d.MM_p[j] = new Image;
				d.MM_p[j++].src = a[i];
			}
	}
}

function MM_findObj(n, d) // v4.01
{
	var p, i, x;
	
	if(!d) 
		d=document;
	if ( (p=n.indexOf("?"))>0 && parent.frames.length)
	{
		d = parent.frames[n.substring(p+1)].document;
		n = n.substring(0,p);
	}
	if (!(x=d[n]) && d.all)
		x = d.all[n];
	for (i=0; !x && i<d.forms.length; i++)
		x = d.forms[i][n];
	for (i=0; !x && d.layers && i<d.layers.length; i++)
		x = MM_findObj(n,d.layers[i].document);
	if (!x && d.getElementById)
		x = d.getElementById(n);
	
	return x;
}

function MM_swapImage() // v3.0
{
	var i, j=0, x, a=MM_swapImage.arguments;
	
	document.MM_sr = new Array;
	for (i=0; i<(a.length-2); i+=3)
		if ( (x=MM_findObj(a[i])) != null)
		{
			document.MM_sr[j++] = x;
			if (!x.oSrc)
				x.oSrc = x.src;
			x.src = a[i+2];
		}
}

function returnSize()
{
	var myWidth=0, myHeight=0;
	
	if (typeof(window.innerWidth) == 'number')
	{
		//Non-IE
		myWidth = window.innerWidth;
		myHeight = window.innerHeight;
	}
	else if ( document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight) )
	{
		//IE 6+ in 'standards compliant mode'
		myWidth = document.documentElement.clientWidth;
		myHeight = document.documentElement.clientHeight;
	}
	else if ( document.body && (document.body.clientWidth || document.body.clientHeight) )
	{
		//IE 4 compatible
		myWidth = document.body.clientWidth;
		myHeight = document.body.clientHeight;
	}
	var result = new Array(myWidth, myHeight);

	return result;
}

function centerPopup(myId, offsetX, offsetY)
{
	result = returnSize();

	var element = document.getElementById(myId);
	var myWidth=result[0];
	var myHeight=result[1];
	var elementWidth=element.offsetWidth;
	var elementHeight=element.offsetHeight;
	var myScrollLeft=document.documentElement.scrollLeft;
	var myScrollTop=document.documentElement.scrollTop;
	var posX=myScrollLeft+myWidth-myWidth/2-elementWidth/2;
	var posY=myScrollTop+myHeight-myHeight/2-elementHeight/2;

	if (offsetX)
		posX = posX-offsetX;
	if (offsetY)
	posY = posY-offsetY;
	
	element.style.left=posX+"px";
	element.style.top=posY+"px";
}