Roll the Dice by Ken Codes

<html><head><title>Roll the Dice by Ken</title>
<script>
function placement(){

document.all.table1.style.posLeft=85;
document.all.table1.style.posTop=40;
document.all.table2.style.posTop=40; 
document.all.table2.style.posLeft=85;
document.all.table3.style.posTop=40; 
document.all.table3.style.posLeft=85;
document.all.table4.style.posTop=40;
document.all.table4.style.posLeft=85;
document.all.table5.style.posLeft=85;
document.all.table5.style.posTop=40;
document.all.table6.style.posTop=40; 
document.all.table6.style.posLeft=85;

document.all.table12.style.posLeft=340;
document.all.table12.style.posTop=40;
document.all.table22.style.posTop=40; 
document.all.table22.style.posLeft=340;
document.all.table32.style.posTop=40; 
document.all.table32.style.posLeft=340;
document.all.table42.style.posTop=40;
document.all.table42.style.posLeft=340;
document.all.table52.style.posLeft=340;
document.all.table52.style.posTop=40;
document.all.table62.style.posTop=40; 
document.all.table62.style.posLeft=340;
}

function rollDice(dice) {

document.all.table1.style.visibility="hidden";
document.all.table2.style.visibility="hidden";
document.all.table3.style.visibility="hidden";
document.all.table4.style.visibility="hidden";
document.all.table5.style.visibility="hidden";
document.all.table6.style.visibility="hidden";
document.all.table12.style.visibility="hidden";
document.all.table22.style.visibility="hidden";
document.all.table32.style.visibility="hidden";
document.all.table42.style.visibility="hidden";
document.all.table52.style.visibility="hidden";
document.all.table62.style.visibility="hidden";

die1 = Math.floor(1 + Math.random() * 6);
die2 = Math.floor(1 + Math.random() * 6);
workSum = die1 + die2;

if (die1 == 1) 
document.all.table1.style.visibility="visible";
if (die1 == 2) 
document.all.table2.style.visibility="visible";
if (die1 == 3) 
document.all.table3.style.visibility="visible";
if (die1 == 4) 
document.all.table4.style.visibility="visible";
if (die1 == 5) 
document.all.table5.style.visibility="visible";
if (die1 == 6) 
document.all.table6.style.visibility="visible";

if (die2 == 1) 
document.all.table12.style.visibility="visible";
if (die2 == 2) 
document.all.table22.style.visibility="visible";
if (die2 == 3) 
document.all.table32.style.visibility="visible";
if (die2 == 4) 
document.all.table42.style.visibility="visible";
if (die2 == 5) 
document.all.table52.style.visibility="visible";
if (die2 == 6) 
document.all.table62.style.visibility="visible";

dice.sum.value = workSum;
}</script>

<body bgcolor=lightgreen onLoad="placement()">
<center><spacer type=vertical height=25><br>
<form > 
<table >
<tr><td align="center"><input type="button" value="Roll Dice" onclick="rollDice(form);"></td></tr>
<tr><td align=center><input cols=2 type="text" name="sum"></td></tr></table>
</form>
<noframes>JS alert.. please reload</noframes></center>

</body></html>