Ciao burruchaga,
devi usare 15 variabili perforza?? Ti servirebbe un array
codice:
<script language="javascript">
var c1="a";
var c2="b";
var c3="c";
...
..
var c15="q";
var arr = new Array()
arr[arr.length]=c1
arr[arr.length]=c2
arr[arr.length]=c3
...
..
arr[arr.length]=c15
//rendo casuale l'ordine
for(i=0;i<arr.length;i++){
aa = Math.floor(Math.random()*(arr.length));
bb = Math.floor(Math.random()*(arr.length));
temp = arr[aa]
arr[aa] = arr[bb]
arr[bb] = temp
}
//creo la tabella 3x5
cont=0
document.write('<table border="1">\n');
for(i=0;i<3;i++){
document.write('<tr>\n');
for(j=0;j<5;j++){
document.write('<td>'+arr[cont]+'</td>');
cont++
}
document.write('</tr>');
}
document.write('</table>');
</script>