function MM_swapImgRestore()
{
	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()
{
	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 )
{
	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() {
	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 openCentered(url, width, height, windowName, featureString)
{
	if (!windowName)
	{
		windowName = '';
	}


	if (!featureString)
	{
		featureString = ',resizable=0,scrollbars=0,status=0,location=0,status=0,toolbar=0,menubar=0,directories=0';
	}
	else
	{
		featureString = ',' + featureString;
	}
	var x = Math.round((screen.availWidth/2 - width/2 - 1));
	var y = Math.round((screen.availHeight/2 - height/2 - 1));
	featureString = 'left=' + x + ',top=' + y + ',width=' + width + ',height=' + height + featureString;

	return window.open (url, windowName, featureString);

}