function toThumbnail(fullPath)
{
	var elems = fullPath.split("/");
	var numElems = elems.length;
	var i = 0;
	var returnValue='';
	for(i = 0; i < numElems-1; i++)
	{
		returnValue = returnValue + elems[i] + "/" ;
	}
	returnValue = returnValue  + "_mini_" +  elems[numElems-1];
	return returnValue;
}