function mainbg()
		{
		var today = new Date();
		var numimg = today.getMinutes();
		var div = 0;
		if ( numimg > 8 )
			div = numimg%9;
        else
        div = numimg;
document.write('<img src=../../images/main/mainbg'+div+'.jpg width="242" height="295" name="img1">');
		}