function diva_show(div_id,div_img)
{
if (document.all)
{
	if (document.all.item("a"+div_id).style.display=="block")
	{
		document.all.item("a"+div_id).style.display="none";
		document.all.item("i"+div_id).src="public/images/7/Plus.gif";
	}
	else
	{
		document.all.item("a"+div_id).style.display="block";
		document.all.item("i"+div_id).src="public/images/7/Minus.gif";
	}
}
}