i have problem ajax , database. don't know have do. so, have ajax code:
<script> function showcity(str) { if (str == "") { document.getelementbyid("txthint").innerhtml = ""; return; } else { if (window.xmlhttprequest) { // code ie7+, firefox, chrome, opera, safari xmlhttp = new xmlhttprequest(); } else { // code ie6, ie5 xmlhttp = new activexobject("microsoft.xmlhttp"); } xmlhttp.onreadystatechange = function() { if (xmlhttp.readystate == 4 && xmlhttp.status == 200) { document.getelementbyid("txthint").innerhtml = xmlhttp.responsetext; } } xmlhttp.open("get","rozpiski.php?q="+str,true); xmlhttp.send(); } } </script> i want: when user select option, second select list shows value (after gets values database).
this code html:
<select name="country3" onchange="showcity(this.value)"> <option>anglia</option><option selected='selected'>austria</option><option>belgia</option><option>czechy</option><option>dania</option><option>estonia</option><option>finlandia</option><option>francja</option><option>holandia</option><option>islandia</option><option>lichtenstein</option><option>luxembourg</option><option>niemcy</option><option>norwegia</option><option>polska</option><option>szwajcaria</option><option>szwecja</option><option>słowacja</option><option>słowenia</option><option>wyspy owcze</option><option>węgry</option><option>włochy</option><option>Łotwa</option><option>anglia</option><option>austria</option><option>belgia</option><option>czechy</option><option>dania</option><option>estonia</option><option>finlandia</option><option>francja</option><option>holandia</option><option>islandia</option><option>lichtenstein</option><option>luxembourg</option><option>niemcy</option><option>norwegia</option><option>polska</option><option>szwajcaria</option><option>szwecja</option><option>słowacja</option><option>słowenia</option><option selected='selected'>wyspy owcze</option><option>węgry</option><option>włochy</option><option>Łotwa</option><option>anglia</option><option>austria</option><option>belgia</option><option>czechy</option><option>dania</option><option>estonia</option><option>finlandia</option><option>francja</option><option>holandia</option><option>islandia</option><option>lichtenstein</option><option>luxembourg</option><option>niemcy</option><option>norwegia</option><option>polska</option><option>szwajcaria</option><option>szwecja</option><option>słowacja</option><option>słowenia</option><option>wyspy owcze</option><option>węgry</option><option>włochy</option><option>Łotwa</option></select></td> <td><select name="city" id="3"></select> when user in country3 select example polska, gets in 2nd select cities polska. cities in database. how it?
your html select-option tags should be:
<select name="country3" onchange="showcity(this.value)"> <option value="city">city</option> </select> 
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