<html>
<head>
<title>Session Variables Set/Get</title>
</head>
<body bgcolor=lightyellow>
<h1>Create and Read Session Variables</h1>
<form method=post name=frm action=/~sultans/php/demo/5session/session.php>
<fieldset style='width:390px'>
<table>
<tr><td>Enter session variable name<td> <input type=text name=varName>
<tr><td>Enter session variable value<td><input type=text name=varValue>
</table>
</fieldset>
<br>
<input type=button value="Create" onClick="validate('add')">
<input type=button value="Delete" onClick="validate('del')">
<input type=submit value="View All" onClick="validate_view()">
</form>
<script>
function validate(opt)
{
if (document.frm.varName.value =='')
{
alert("Please enter session variable name")
return false
}
if (opt =='add' && document.frm.varValue.value =='')
{
alert("Please enter session variable value")
return false
}
url = '/~sultans/php/demo/5session/session.php'
document.frm.action = url + '?option=' + opt; //append to url?option=opt
document.frm.submit();
}
function validate_view()
{
document.frm.varName.value = ''; //erase the variable name
document.frm.varValue.value = ''; //erase the variable value
}
</script>
</body>
</html>