function PopupPic(sPicURL, width, height) { 
     var left = 0;
     var top = 0;
     var popup_win = window.open( "show.html?"+sPicURL + '?' + width + '?' + height, "popup_pic","resizable=1,HEIGHT="+height+",WIDTH="+width+"left=" + left + ",top=" + top);
     popup_win.focus();
}