<?php
$user=$_POST["User"];
$pass=$_POST["Pass"];
echo "".$user."<br />";
echo "".$pass."<br />";

$link = mysql_connect("localhost","user","12345");
mysql_select_db("rotaryplc", $link);

if(!mysql_query("SELECT * FROM usuario WHERE User = '".$user."' AND Password = '".$pass."'"))
{
echo "<script language = 'javascript'>
alert('No entró');
location.href='form_login.php'
</script>";
}
else
{
echo "<script language = 'javascript'>
alert('Entró');
location.href='form_login.php'
</script>";
}
?>