تعرف على التصاريح

<script type="text/javascript">
<!--
function octalchange()
{
var val = document.chmod.t_total.value;
var ownerbin = parseInt(val.charAt(0)).toString(2);
while (ownerbin.length<3) { ownerbin="0"+ownerbin; };
var groupbin = parseInt(val.charAt(1)).toString(2);
while (groupbin.length<3) { groupbin="0"+groupbin; };
var otherbin = parseInt(val.charAt(2)).toString(2);
while (otherbin.length<3) { otherbin="0"+otherbin; };
document.chmod.owner4.checked = parseInt(ownerbin.charAt(0));
document.chmod.owner2.checked = parseInt(ownerbin.charAt(1));
document.chmod.owner1.checked = parseInt(ownerbin.charAt(2));
document.chmod.group4.checked = parseInt(groupbin.charAt(0));
document.chmod.group2.checked = parseInt(groupbin.charAt(1));
document.chmod.group1.checked = parseInt(groupbin.charAt(2));
document.chmod.other4.checked = parseInt(otherbin.charAt(0));
document.chmod.other2.checked = parseInt(otherbin.charAt(1));
document.chmod.other1.checked = parseInt(otherbin.charAt(2));
calc_chmod(1);
};
function calc_chmod(nototals)
{
var users = new Array("owner", "group", "other");
var totals = new Array("","","");
var syms = new Array("","","");
for (var i=0; i<users.length; i++)
{
var user=users[i];
var field4 = user + "4";
var field2 = user + "2";
var field1 = user + "1";
//var total = "t_" + user;
var symbolic = "sym_" + user;
var number = 0;
var sym_string = "";
if (document.chmod[field4].checked == true) { number += 4; }
if (document.chmod[field2].checked == true) { number += 2; }
if (document.chmod[field1].checked == true) { number += 1; }
if (document.chmod[field4].checked == true) {
sym_string += "r";
} else {
sym_string += "-";
}
if (document.chmod[field2].checked == true) {
sym_string += "w";
} else {
sym_string += "-";
}
if (document.chmod[field1].checked == true) {
sym_string += "x";
} else {
sym_string += "-";
}
//if (number == 0) { number = ""; }
http://document.chmod[total].value =
totals[i] = totals[i]+number;
syms[i] = syms[i]+sym_string;
};
if (!nototals) document.chmod.t_total.value = totals[0] + totals[1] + totals[2];
document.chmod.sym_total.value = "-" + syms[0] + syms[1] + syms[2];
}
window.onload=octalchange
//-->
</script>
<form name="chmod">
<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0" style="font:normal 12px Verdana";>
<TR ALIGN="LEFT" VALIGN="MIDDLE">
<TD>Permissions: </TD>
<TD><input type="text" name="t_total" value="751" size="4" onKeyUp="octalchange()"> </TD>
<TD><input type="text" name="sym_total" value="" size="12" READONLY="1" STYLE='border: 0px none; font-family: "Courier New", Courier, mono;'></TD>
</TR>
</TABLE>
<BR>
<table cellpadding="2" cellspacing="0" border="0" style="font:normal 12px Verdana">
<tr bgcolor="#333333">
<td WIDTH="60" align="left"> </td>
<td WIDTH="55" align="center" style="color:white"><b>owner
</b></td>
<td WIDTH="55" align="center" style="color:white"><b>group
</b></td>
<td WIDTH="55" align="center" style="color:white"><b>other
<b></td>
</tr>
<tr bgcolor="#dddddd">
<td WIDTH="60" align="left" nowrap BGCOLOR="#FFFFFF">read</td>
<td WIDTH="55" align="center" bgcolor="#EEEEEE">
<input type="checkbox" name="owner4" value="4" onclick="calc_chmod()">
</td>
<td WIDTH="55" align="center" bgcolor="#ffffff"><input type="checkbox" name="group4" value="4" onclick="calc_chmod()">
</td>
<td WIDTH="55" align="center" bgcolor="#EEEEEE">
<input type="checkbox" name="other4" value="4" onclick="calc_chmod()">
</td>
</tr>
<tr bgcolor="#dddddd">
<td WIDTH="60" align="left" nowrap BGCOLOR="#FFFFFF">write</td>
<td WIDTH="55" align="center" bgcolor="#EEEEEE">
<input type="checkbox" name="owner2" value="2" onclick="calc_chmod()"></td>
<td WIDTH="55" align="center" bgcolor="#ffffff"><input type="checkbox" name="group2" value="2" onclick="calc_chmod()">
</td>
<td WIDTH="55" align="center" bgcolor="#EEEEEE">
<input type="checkbox" name="other2" value="2" onclick="calc_chmod()">
</td>
</tr>
<tr bgcolor="#dddddd">
<td WIDTH="60" align="left" nowrap BGCOLOR="#FFFFFF">execute</td>
<td WIDTH="55" align="center" bgcolor="#EEEEEE">
<input type="checkbox" name="owner1" value="1" onclick="calc_chmod()">
</td>
<td WIDTH="55" align="center" bgcolor="#ffffff"><input type="checkbox" name="group1" value="1" onclick="calc_chmod()">
</td>
<td WIDTH="55" align="center" bgcolor="#EEEEEE">
<input type="checkbox" name="other1" value="1" onclick="calc_chmod()">
</td>
</tr>
</table>