receber variável no iframe

Boa tarde Srs,

eu gostaria que minha página onde existem 2 iframes  ,mostrasse relatórios através de uma  variável enviada .

segue abaixo os arquivos.

formulario1.php

<form name="busca" method="post" action="relatorio2.php" target="pesquisa">

 <table >

<tr>
 <td><input type="text" name="material" style="width:85%;font-family:arial;font-size:10" placeholder="" value="">

	<BR>
 <input type="submit" name="botao" value="Pesquisar" class="btn btn-success" style="width:98%;font-family:arial;font-size:10" >
	</td>
	</tr>

</table>

</form>

	 

	 

	no formulario2.php

	 

<?php $material=$_POST['material'];

echo $material; ?>

<table id='form' class="table table-striped table-bordered table-hover" >

 <tr>

<Td>
 <iframe src="info1.php" name="pesquisa" width="500" height="3550" scrolling="yes" frameborder="0" style="border:0px"></iframe>

</td>

<Td>
 <iframe src="info2.php" name="pesquisa" width="500" height="3550" scrolling="yes" frameborder="0" style="border:0px"></iframe>

</td>
</tr>

	</TABLE>

	 

	 no arquivo info1.php

<table id='form' class="table table-striped table-bordered table-hover" >

 <!-- linhas -->
 <tr>
 <th width='25%'>
 MATERIAIS
 </th>

 <th width='25%'>
 N DE SERIE
 </th>

 <?php
 $material=$_POST['material'];

 $sql = "SELECT * FROM material WHERE
 material='$material' ";
 $res = mysql_query($sql);
 while($linha = mysql_fetch_array($res)){
 ?>
 <tr>
 <td>
 <font color='green'> <?php echo $linha['material'];?>
 </td>

 <td>
 <font color='green'> <?php echo $linha['serie'];?>
 </td>

 </tr>
 <?php
 }
 ?>

</table>

	no info2.php

	 

<table id='form' class="table table-striped table-bordered table-hover" >
<?php
 $material=$_POST['material'];
 ?>

 <!-- linhas -->
 <tr>
 <th width='25%'>
 MATERIAIS
 </th>

 <th width='25%'>
 N DE SERIE
 </th>

 <?php

 $material=$_POST['material'];

 $sql = "SELECT * FROM vendas WHERE
 material='$material' AND status='VENDIDO' ";
 $res = mysql_query($sql);
 while($linha = mysql_fetch_array($res)){
 ?>
 <tr>

 <td>
 <font color='green'> <?php echo $linha['material'];?>
 </td>

 <td>
 <font color='green'> <?php echo $linha['serie'];?>
 </td>

 </tr>
 <?php
 }
 ?>

</table>

	 

	 

	se puderem ajudar...