function getLastUpdateDate(size, type)
{
	var lastUpdateDate=date;
		
	if ((lastUpdateDate == null ) || (lastUpdateDate !=null && lastUpdateDate.length == 0) || (lastUpdateDate == today))
	{
		if (size == imageSizeSmall)
		{
			if ((type == imageTypeSketch1) ||(type == imageTypeSketch2)||(type == imageTypeSketch3)||(type == imageTypeSketch4))
				lastUpdateDate = sketchGalleryLastUpdateDate;
			else
				lastUpdateDate = smallLastUpdateDate;
		}
		else if (size == imageSizeLarge)
		{
			if (type == imageTypeSketch)
				lastUpdateDate = largeSketchLastUpdateDate;
			else if (type == imageTypeComic)
				lastUpdateDate = largeComicLastUpdateDate;
			else if ((type == imageTypeSketch1) ||(type == imageTypeSketch2)||(type == imageTypeSketch3)||(type == imageTypeSketch4))
				lastUpdateDate = sketchGalleryLastUpdateDate;
		}
	}
		
	if ( (date == today) && (date != lastUpdateDate)) 
	{
		date = lastUpdateDate;
	}
	
	return lastUpdateDate;
}


function getImgTag(type,size)
{
	return "<img src='"+ contenturl + "/" + type + "_" + getLastUpdateDate(size,type) +"_"+ size + ".gif' border='0'>";
}