function imagePopUp(img) {
html = "Enlarged Image" +
"" +
"![](" + img + ")
" +
"";
popup=window.open ('','image','toolbar=0,location=0, directories=0,menuBar=0, scrollbars=0,resizable=1,width=600,height=600');
popup.document.open();
popup.document.write(html);
//popup.document.focus();
popup.document.close() };