Witam, czy ktos pomoze, i czy ja w ogole dobrze mysle?

mam cos takiego:

[PHP] pobierz, plaintext 
<script type="text/javascript">
function go()
{
	if (document.formSelect.sortieren.options[document.formSelect.sortieren.selecte
dIndex].value != "")
	{
		location = document.formSelect.sortieren.options[document.formSelect.sortieren.selectedInde
x].value;
	}                       
}
</script>
 
<?php 
	$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis DESC");
?>
 
<div class="sort">
 
	<form name="formSelect">
		<select id="sortieren" name="sortieren" onchange="go();">
			<option value="1">Preis: höchster zuerst</option>
			<option value="2">Neu eingestellt</option>
			<option value="3">Preis: niedrigster zuerst</option>
		</select>
	</form>
 
</div>
 
<?php 
if ($sortieren==1)
	{
		$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis ASC");
	}
	elseif ($sortieren==2)
	{
		$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis DESC");
	}
	elseif ($sortieren==3)
	{
		$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by id DESC");
	}
?>
[PHP] pobierz, plaintext 

jak przypisac te wartosci do pola seletc? by zmianialo mi wynik $results na stronie:

[PHP] pobierz, plaintext 
$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis DESC");
[PHP] pobierz, plaintext 

chyba ze takie rozwiazanie?

[PHP] pobierz, plaintext 
<?php
	$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis DESC");
	while ($row=mysql_fetch_assoc($result))
	{
		if ($row['sortieren']==1)
		{
			$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis DESC");
		}
		elseif ($row['sortieren']==2)
		{
			$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by preis ASC");
		}
		elseif ($row['sortieren']==3)
		{
			$result=mysql_query("SELECT * FROM uhren ".$is_cat." ORDER by id ASC");
		}
	}
?>
[PHP] pobierz, plaintext