function openWin(pageName, directoryName, imageName, imageWidth, imageHeight)
{
	window.open(pageName + "?directoryName=" + directoryName + "&imagename=" +imageName, "_blank" ,"left=100,top=100,height=" + imageHeight + ",width=" + imageWidth + " ,scrollbars=no,resizable=no,toolbar=no,status=no");
}