Description:
------------
loading select boxes from database and executing PHP in Internet Explorer and pressing submit,it is not working whereas in Mozilla browser it is working fine.what to do.

Reproduce code:
---------------
<?
				$db_name="practice";
				$connection=mysql_connect("localhost","root","admin") or die("I Couldn't connect");
				$db=mysql_select_db($db_name,$connection) or die("I Couldn't select your database");
				$branch="mand_mast"; // Table name

				@$cat=$_GET['cat']; // Use this line or below line if register_global is off
				$quer2=mysql_query("SELECT DISTINCT mandname FROM mand_mast order by mandname"); 

				echo "<form method=post name=f1 action='dd-check.php'>";
				echo "<select name='MNAME' onchange=\"reload(this.form)\">
				<option value=''>Select one</option>";
				while($noticia2 = mysql_fetch_array($quer2)) 
				{ 
				if($noticia2['mandname']==@$cat){echo "<option selected value='$noticia2[mandname]'>$noticia2[mandname]</option>"."<BR>";}
				else{echo  "<option value='$noticia2[mandname]'>$noticia2[mandname]</option>";}
				}
				echo "</select>";
				echo "</form>";
				?>

Expected result:
----------------
I want to make it send the data selected in select box to database but it is not doing.