I could do it myself!!! First you have to draw the four cornerĀ“s highlights on HTML: <img id=”clt” src=”https://stackoverflow.com/questions/17506028/img/clt.png” border=”0″ style=”position:absolute;visibility:hidden”></span> <img id=”crt” src=”img/crt.png” border=”0″ style=”position:absolute;visibility:hidden”></span> <img id=”crb” src=”img/crb.png” border=”0″ style=”position:absolute;visibility:hidden”></span> <img id=”clb” src=”img/clb.png” border=”0″ style=”position:absolute;visibility:hidden”></span> After, create a JavaScript function: function getFocusFunct(){ $(“input[type=text], input[type=password], textarea”).focus(function(){ var ctl=$(this); var offset=ctl.offset(); var clt=$(“#clt”); var crt=$(“#crt”); var … Read more