if (document.images)
	{

	kfz0		= new Image();
	kfz0.src        = "images/quadrat.gif";
	kfz1		= new Image();
	kfz1.src        = "images/quadrat_o.gif";

	mot0		= new Image();
	mot0.src        = "images/quadrat.gif";
	mot1		= new Image();
	mot1.src        = "images/quadrat_o.gif";

	spa0		= new Image();
	spa0.src        = "images/quadrat.gif";
	spa1		= new Image();
	spa1.src        = "images/quadrat_o.gif";

	rei0		= new Image();
	rei0.src        = "images/quadrat.gif";
	rei1		= new Image();
	rei1.src        = "images/quadrat_o.gif";

	jug0		= new Image();
	jug0.src        = "images/quadrat.gif";
	jug1		= new Image();
	jug1.src        = "images/quadrat_o.gif";

	pen0		= new Image();
	pen0.src        = "images/quadrat.gif";
	pen1		= new Image();
	pen1.src        = "images/quadrat_o.gif";

	hau0		= new Image();
	hau0.src        = "images/quadrat.gif";
	hau1		= new Image();
	hau1.src        = "images/quadrat_o.gif";

	bet0		= new Image();
	bet0.src	= "images/quadrat.gif";
	bet1		= new Image();
	bet1.src	= "images/quadrat_o.gif";

	kon0		= new Image();
	kon0.src        = "images/quadrat.gif";
	kon1		= new Image();
	kon1.src        = "images/quadrat_o.gif";

	w2f0		= new Image();
	w2f0.src        = "images/quadrat.gif";
	w2f1		= new Image();
	w2f1.src        = "images/quadrat_o.gif";
	}

function normal(imgName)
{
  if (document.images)
	{
    	document[imgName].src = eval(imgName + "0.src");
  	}
}

function high(imgName)
{
  if (document.images) 	
	{
    	document[imgName].src = eval(imgName + "1.src");
  	}
}