function nimg(i)
{
	if (document.images)
	{
		res = new Image();
		res.src = i;
		return res;
	}
}

function cimg()
{
	if (document.images && (preloadFlag == true))
	{
		for (var i = 0; i < cimg.arguments.length; i += 2)
		{
			document[cimg.arguments[i]].src = cimg.arguments[i+1];
		}
	}
}

function pimg()
{
	if (document.images)
	{
		m11a = nimg("images/m11a.gif");
		m12a = nimg("images/m12a.gif");
		m13a = nimg("images/m13a.gif");
		m21a = nimg("images/m21a.gif");
		m22a = nimg("images/m22a.gif");
		m23a = nimg("images/m23a.gif");
		m31a = nimg("images/m31a.gif");
		m32a = nimg("images/m32a.gif");
		m33a = nimg("images/m33a.gif");
		m11b = nimg("images/m11b.gif");
		m12b = nimg("images/m12b.gif");
		m13b = nimg("images/m13b.gif");
		m21b = nimg("images/m21b.gif");
		m22b = nimg("images/m22b.gif");
		m23b = nimg("images/m23b.gif");
		m31b = nimg("images/m31b.gif");
		m32b = nimg("images/m32b.gif");
		m33b = nimg("images/m33b.gif");
		emp2 = nimg("images/emp2.gif");
		prd2 = nimg("images/prd2.gif");
		srv2 = nimg("images/srv2.gif");
		not2 = nimg("images/not2.gif");
		sup2 = nimg("images/sup2.gif");
		preloadFlag = true;
	}
}

preloadFlag = false;