function imagePopUp(img)
{
html = "Enlarged Image" + "" + "![](" + img + ")
" + "";
popup=window.open ('','image','toolbar=0,location=0, directories=0,menuBar=0, scrollbars=0,resizable=1');
popup.document.open();
popup.document.write(html);
popup.document.focus();
popup.document.close() ;
}