<script language="JavaScript">
<!--
var SubMenu = new Array("","主菜1子菜1,主菜1子菜2,主菜1子菜3","主菜2子菜1,主菜2子菜2,主菜2子菜3","主菜3子菜1,主菜3子菜2,主菜3子菜3");
function Change()
{
while(f.s2.options.length)f.s2.options.remove(0);
var tmpopts = SubMenu[f.s1.selectedIndex].split(",");
for(var i=0; i<tmpopts.length; i++)f.s2.options.add(new Option(tmpopts[i],tmpopts[i]));
}
//-->
</script>
<!--
var SubMenu = new Array("","主菜1子菜1,主菜1子菜2,主菜1子菜3","主菜2子菜1,主菜2子菜2,主菜2子菜3","主菜3子菜1,主菜3子菜2,主菜3子菜3");
function Change()
{
while(f.s2.options.length)f.s2.options.remove(0);
var tmpopts = SubMenu[f.s1.selectedIndex].split(",");
for(var i=0; i<tmpopts.length; i++)f.s2.options.add(new Option(tmpopts[i],tmpopts[i]));
}
//-->
</script>
解决方案 »
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