function subgroups_my(obj)
{
	var nested = document.getElementById(obj.id+"_sub");
//alert(nested);

	if(nested.style.display=='none')
	{
		nested.style.display='block';
 document.getElementById(obj.id+"_i").style.backgroundImage='url(/img/lm_bull_a.gif)';
	}
	else
	{
		nested.style.display='none';
 document.getElementById(obj.id+"_i").style.backgroundImage='url(/img/lm_bull.gif)';
	}

}

var img = new Array();

function PreloadImages()
{
        for(i = 0; i < arguments.length; i++)
        {
                img[i]     = new Image();
                img[i].src = arguments[i];
        }
};

PreloadImages(
'/img/lm_bull_a.gif',
'/img/lm_bull.gif'
             );