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<!DOCTYPE html> <html> <style> table,th,td { border : 1px solid black; border-collapse: collapse; } th,td { padding: 5px; } </style> <body> <form action=""> <select name="customers" onchange="showCustomer(this.value)"> <option value="">Select a customer:</option> <option value="ALFKI">Alfreds Futterkiste</option> <option value="NORTS ">North/South</option> <option value="WOLZA">Wolski Zajazd</option> </select> </form> <br> <div id="txtHint">Customer info will be listed here...</div> <script> function showCustomer(str) { var xhttp; if (str == "") { document.getElementById("txtHint").innerHTML = ""; return; } xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (xhttp.readyState == 4 && xhttp.status == 200) { document.getElementById("txtHint").innerHTML = xhttp.responseText; } }; xhttp.open("GET", "getcustomer.asp?q="+str, true); xhttp.send(); } </script> </body> </html>