Fejl i Script?

Hej alle Noget dag kan Hjælp mig?  Jeg ved ikke vis dag er Fejl i Script. den Køer okay men jeg tror  dag fjel




<?php
include("password.php");
session_start();
include("v2/inc/header.php");
if($system==""){
?>
<DIV STYLE="text-align:center">
<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0">
<TR>
    <TD WIDTH="100"><B>Modtager:</B></TD>
    <TD WIDTH="100"><B>Afsender:</B></TD>
    <TD WIDTH="100"><B>Sum:</B></TD>
    <TD><B>Dato:</B></TD>
</TR>
<?
include("v2/inc/sql.php");
$que2 = mysql_query("SELECT * FROM konto WHERE bruger='$username' ORDER by id");
while ($res2 = mysql_fetch_array($que2)){
?>
<TR>
    <TD><?=$res2[target]?></TD>
    <TD><?=$res2[bruger]?></TD>
    <TD><?=$res2[sum]?></TD>
    <TD><?=$res2[dato]?></TD>
</TR>
<? } ?>
<?
include("v2/inc/sql.php");
$que2 = mysql_query("SELECT * FROM konto WHERE target='$username' ORDER by id");
while ($res2 = mysql_fetch_array($que2)){
?>
<TR>
    <TD><?=$res2[target]?></TD>
    <TD><?=$res2[bruger]?></TD>
    <TD><?=$res2[sum]?></TD>
    <TD><?=$res2[dato]?></TD>
</TR>
<? } ?>
</TABLE><BR><BR>
<SCRIPT LANGUAGE="JavaScript">
<!--
function formCheck(formobj){
    //1) Enter name of mandatory fields
    var fieldRequired = Array("modtager");
    //2) Enter field description to appear in the dialog box
    var fieldDescription = Array("Modtager");
    //3) Enter dialog message
    var alertMsg = "Felterne skal udfyles før du kan forsætte:\n";
   
    var l_Msg = alertMsg.length;
   
    for (var i = 0; i < fieldRequired.length; i++){
        var obj = formobj.elements[fieldRequired[i]];
        if (obj){
            switch(obj.type){
            case "select-one":
                if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
                    alertMsg += " - " + fieldDescription[i] + "\n";
                }
                break;
            case "select-multiple":
                if (obj.selectedIndex == -1){
                    alertMsg += " - " + fieldDescription[i] + "\n";
                }
                break;
            case "text":
            case "textarea":
                if (obj.value == "" || obj.value == null){
                    alertMsg += " - " + fieldDescription[i] + "\n";
                }
                break;
            default:
                if (obj.value == "" || obj.value == null){
                    alertMsg += " - " + fieldDescription[i] + "\n";
                }
            }
        }
    }

    if (alertMsg.length == l_Msg){
        return true;
    }else{
        alert(alertMsg);
        return false;
    }
}
//-->
</SCRIPT>
<SCRIPT>
function submitonce(theform){
if (document.all||document.getElementById){
for (i=0;i<theform.length;i++){
var tempobj=theform.elements[i]
if(tempobj.type.toLowerCase()=="submit")
//disable em
tempobj.disabled=true
}
}
}
</SCRIPT>
<FORM ACTION="kon2005.php?system=transfer" METHOD="POST" METHOD="POST" onSubmit="return formCheck(this);submitonce(this)">
Modtager: <INPUT TYPE="text" NAME="modtager">&nbsp;Sum: <SELECT NAME="sum">
    <OPTION VALUE="1" SELECTED>1</OPTION>   
    <OPTION VALUE="2">2</OPTION>
    <OPTION VALUE="3">3</OPTION>
    <OPTION VALUE="4">4</OPTION>
    <OPTION VALUE="5">5</OPTION>
    <OPTION VALUE="6">6</OPTION>
    <OPTION VALUE="7">7</OPTION>
    <OPTION VALUE="8">8</OPTION>
    <OPTION VALUE="9">9</OPTION>
    <OPTION VALUE="10">10</OPTION>



</SELECT>&nbsp;<INPUT TYPE="submit" VALUE="Overfør">
</FORM>
</DIV>
<?php
} elseif($system=="transfer"){
include("v2/inc/sql.php");
$que = mysql_query("SELECT credits FROM users WHERE username='$username'");
$res = mysql_fetch_array($que);
$que9 = mysql_query("SELECT username FROM users WHERE username='$modtager'");
$res9 = mysql_fetch_array($que9);
if($sum>=$res[credits]){ echo "Du har ikke nok credits til at kunne øverfører $sum";
} elseif($res9[username] != $modtager){
echo"Modtager findes ikke...";
} else {
$que3 = mysql_query("SELECT credits FROM users WHERE username='$modtager'");
$res3 = mysql_fetch_array($que3);
$que4 = mysql_query("SELECT credits FROM users WHERE username='$username'");
$res4 = mysql_fetch_array($que4);
$modc = $res3[credits]+$sum;
$afc = $res4[credits]-$sum;
mysql_query("UPDATE users SET credits='$modc' WHERE username='$modtager'");
mysql_query("UPDATE users SET credits='$afc' WHERE username='$username'");
$que5 = mysql_query("SELECT credits FROM users WHERE username='$username'");
$res5 = mysql_fetch_array($que5);
$dato = date("d/m-Y - G:i");
mysql_query("INSERT INTO konto (bruger,target,sum,dato) VALUES('$username','$modtager','$sum','$dato')");
echo"Du har nu overført $sum til $modtager og har nu ".floor($res5[credits])." credits tilbage.";
}
?>
<?
} include("v2/inc/footer.php");
?>