function openImageZoomWindow(imgURL,imgWidth,imgHeight){
   tmpStr = 'width='+(imgWidth + 30)+',height='+(imgHeight+50);
   tmpStr = 'toolbar=no,location=no,diretories=no,scrollbars=yes,status=no,menubar=no,resizable=yes,'+tmpStr;
   ImageZoomWindow = window.open(imgURL,'ImageZoomWindow',tmpStr);
   ImageZoomWindow.focus();
}