Try Enable right click bookmarklet
javascript:(function(d){var a=d.document,h=function(){},c=a.body||a.getElementsByTagName("body")[0],f=a.documentElement||a.getElementsByTagName("html")[0],k=[c,f,a],l=["webkit","khtml","moz","ms",""],g=["contextmenu","selectstart","select","mousedown","mouseup"],b=d.Selection,e=b&&b.prototype;e&&(e.removeAllRanges=h,b=a.selection)&&(b.clear=h);for(e=k.length;e--;)if(f=k[e]){for(b=g.length;b--;)f["on"+g[b]]=null;if(a=f.style)for(a.cursor="",a.webkitTouchCallout="initial",b=l.length;b--;)a[((c=l[b])?"-"+c+"-":c)+"user-select"]="initial"}(c=d.jQuery||d.Zepto)&&c(d).off(g)})(this);
source: https://gist.github.com/duzun/d66c775a39a5be9fb519