<script type="text/javascript" >
<!--
function atach_file() {
 	document.client_nou.???;
	}
function remove_file(){
	}
//-->
</script>

<form name="client_nou" action="<?php echo $URL; ?>" method="post" enctype="multipart/form-data">
	<input type="file" name="rec" />
<input type="button" name="test" value="Atach" onclick="atach_file();" />
	<select name="reclista" size="5">
	</select>
<input type="button" value="Remove" onclick="remove_file();" />
	…
</form>

<input name="n" type="text" tabindex="18" size="5" onChange="selChange(this.value)"></TD></TR>
<span id="container"></span>
<script language ="JavaScript">
var i;
function selChange(n) {
var str = "";
for(i =  1 ; i <=n; i++){
   str += "<input name=\"n"+ i +"\"  type=\"file\" tabindex=\" 1 \" size=\" 50 \"><br>";
   }
document.getElementById("container").innerHTML = str;
}
</script>

<form name="client_nou" action="<?php echo $link.'&pag=adm&men_adm=cli'; ?>" method="post" enctype="multipart/form-data" onreset="resetClient()">
…
<input name="n" type="text" value="" onChange="selChange(this.value)">
<span id="container" ></span>
</form>

<form>
<table>
…
</table>
</form>

<table>
<form>
…
</form>
</table>