Javascript -- includehtml

<script> function includeHTML() { var z, i, elmnt, file, xhttp; /*loop through a collection of all HTML elements:*/ z = document.getElementsByTagName("*"); for (i = 0; i < z.length; i++) { elmnt = z[i]; /*search for elements with a certain atrribute:*/ file = elmnt.getAttribute("w3-include-html"); if (file) { /*make an HTTP request using the attribute value as the file name:*/ xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4) { if (this.status == 200) {elmnt.innerHTML = this.responseText;} if (this.status == 404) {elmnt.innerHTML = "Page not found.";} /*remove the attribute, and call this function once more:*/ elmnt.removeAttribute("w3-include-html"); includeHTML(); } } xhttp.open("GET", file, true); xhttp.send(); /*exit the function:*/ return; } } }; </script>