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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Ajax - PHP example</title>
</head>
<body>
<script language="javascript" type="text/javascript">
<!--
function showCity(prcode)
{
xmlHttp = GetXmlHttpObject();
url = "getcities.php";
url=url+"?q="+prcode;
url=url+"&sid="+Math.random();
xmlHttp.open("GET", url,true);
xmlHttp.send(null);
xmlHttp.onreadystatechange = stateChanged();
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try {
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e) {
// Internet Explorer
try{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
try {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e) {
alert("Your browser does not support AJAX!");
return false;
}
}
}
return xmlHttp;
}
function stateChanged()
{
//alert("executing stateChanged()");
if(xmlHttp.readyState==4) {
alert("the response from the server: " + xmlHttp.responseText);
}
}
-->
</script>
<form>
<select name="province" size="1" onChange = "showCity(this.value);">
<option value="0">Choose province</option>
<option value="1">Alberta</option>
<option value="2">British Columbia</option>
<option value="3">Manitoba</option>
<option value="4">New Brunswick</option>
<option value="5">Newfoundland</option>
<option value="6">Northwest Territories</option>
<option value="7">Nova Scotia</option>
<option value="8">Nonavut</option>
<option value="9">Ontario</option>
<option value="10">Prince Edward Island</option>
<option value="11">Quebec</option>
<option value="12">Saskatchewan</option>
<option value="13">Yukon</option>
</select>
</form>
</body>
</html> |