javascript dentro un background

[br1]

Devi far scrivere tutto il tag:

<script language="JavaScript">
var j,d="",l="",m="",p="",q="",z="",KW_ARI= new Array()
KW_ARI[KW_ARI.length]='images/img_homepage01.jpg';
KW_ARI[KW_ARI.length]='images/img_homepage02.jpg';
KW_ARI[KW_ARI.length]='/images/img_homepage03.jpg';
j=parseInt(Math.random()*KW_ARI.length);
j=(isNaN(j))?0:j;
document.write("<td valign=\"top\" background=\""+KW_ARI[j]+"\">");
</script>

oppure modificare il valore dinamicamente:

<td valign="top" id="mioTD">
<script language="JavaScript">
var j,d="",l="",m="",p="",q="",z="",KW_ARI= new Array()
KW_ARI[KW_ARI.length]='images/img_homepage01.jpg';
KW_ARI[KW_ARI.length]='images/img_homepage02.jpg';
KW_ARI[KW_ARI.length]='/images/img_homepage03.jpg';
j=parseInt(Math.random()*KW_ARI.length);
j=(isNaN(j))?0:j;
document.getElementById("mioTD").style.backgroundImage="url("+KW_ARI[j]+")";
</script>

ciao