function swapImage( imgObj )
{
	var file_name = imgObj.src;
	var dot_position = 0;
	while( file_name.indexOf( ".", dot_position + 1 ) != -1 )
	{
		dot_position = file_name.indexOf( ".", dot_position + 1 );
	}
		imgObj.src = file_name.substring( 0, dot_position - 3 ) + file_name.substring( dot_position, file_name.length );
}

function swapImageRO( imgObj )
{
	var file_name = imgObj.src;
	var dot_position = 0;
	while( file_name.indexOf( ".", dot_position + 1 ) != -1 )
	{
		dot_position = file_name.indexOf( ".", dot_position + 1 );
	}
	imgObj.src = file_name.substring( 0, dot_position ) + "_ro" + file_name.substring( dot_position, file_name.length );
}

var ro_images = new Array();
//ro_images.push( '' );
var obj_ro_images = new Array();
for( var i = 0, ilen = ro_images.length; i < ilen; i++ )
{
	obj_ro_images[i] = new Image();
	obj_ro_images[i].src = ro_images[i];
}

function popupURL( url, width, height )
{
	if( width ){ width = 'width=' + width + ','; }
	if( height ){ height = 'height=' + height + ','; }
	window.open( url, 'form', width+height+'location=yes,resizable=yes,scrollbars=yes' );
}