Калькулятор времени закачки файла

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function compute(form, mult){
for (i=1; i < 12; i++){
if (form.size.value==null||form.size.value.length==0){
form.size.value=0;}
if (form[i+"hour"].value==null||form[i+"hour"].value.length==0){
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var TotalMinMod = (TotalHoursMod%60);
var TotalSec = floor(TotalMinMod);
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<FORM METHOD="POST">

<CENTER>
<TABLE BORDER="4">
<TR>
<TD>Размер файла
<INPUT TYPE="TEXT" NAME="size" SIZE="10">  
<INPUT TYPE="BUTTON" OnClick="compute(this.form, 1)" VALUE="KB">
<INPUT TYPE="BUTTON" OnClick="compute(this.form, 1024)" VALUE="MB">
<INPUT TYPE="BUTTON" OnClick="compute(this.form, 1048576)" VALUE="GB">
</TD>
<TD colspan=3><center><B>Время закачки</B></CENTER>
</TD>
</TR>
<TR>
<TH>Скорость закачки</TH>
<TH>Часы</TH>
<TH>Минуты</TH>
<TH>Секунды</TH>
</TR>
<TR>
<TD BGCOLOR="#ffffff">9.6 Kb</TD>
<TD><INPUT TYPE="TEXT" NAME="1hour" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="1minute" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="1second" SIZE="6"></TD>
</TR>
<TR>
<TD BGCOLOR="#ffffff">14.4 Kb</TD>
<TD><INPUT TYPE="TEXT" NAME="2hour" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="2minute" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="2second" SIZE="6"></TD>
</TR>
<TR>
<TD BGCOLOR="#ffffff">28.8 Kb</TD>
<TD><INPUT TYPE="TEXT" NAME="3hour" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="3minute" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="3second" SIZE="6"></TD>
</TR>
<TR>
<TD BGCOLOR="#ffffff">56 Kb</TD>
<TD><INPUT TYPE="TEXT" NAME="4hour" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="4minute" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="4second" SIZE="6"></TD>
</TR>
<TR>
<TD BGCOLOR="#ffffff">ISDN (64 Kb)</TD>
<TD><INPUT TYPE="TEXT" NAME="5hour" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="5minute" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="5second" SIZE="6"></TD>
</TR>
<TR>
<TD BGCOLOR="#ffffff">ISDN (128 Kb)</TD>
<TD><INPUT TYPE="TEXT" NAME="6hour" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="6minute" SIZE="6"> </TD>
<TD><INPUT TYPE="TEXT" NAME="6second" SIZE="6"></TD>
</TR>
<TR>
<TD BGCOLOR="#ffffff"></TD>
<TD><INPUT TYPE="HIDDEN" NAME="7hour" SIZE="6"> </TD>
<TD><INPUT TYPE="HIDDEN" NAME="7minute" SIZE="6"> </TD>
<TD><INPUT TYPE="HIDDEN" NAME="7second" SIZE="6"></TD>
</TR>
<INPUT TYPE="HIDDEN" NAME="8hour" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="8minute" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="8second" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="9hour" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="9minute" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="9second" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="10hour" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="10minute" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="10second" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="11hour" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="11minute" SIZE="6">
<INPUT TYPE="HIDDEN" NAME="11second" SIZE="6">
</TABLE>
</FORM>
</CENTER>