function zmen(cis, stav) {

  if (stav == 1) eval("document.m" + cis).src = "./img/mn" + cis + "a" + ".png";
  	    else eval("document.m" + cis).src = "./img/mn" + cis + "n" + ".png";
 }


 function zobraz(ido, obr, s, v) {
			
	id_obr = document.getElementById(ido);
	id_obr.width = s;		
	id_obr.height = v;
	id_obr.src = "./img/b-tmsed.png";				
      
	o1 = new Image();     
	o1.src = obr;     		

	id = setTimeout("zobraz2('"+ido+"','"+obr+"')", 100);        
 }
    
 function zobraz2(ido, obr) {		
	id_obr = document.getElementById(ido);
	if (o1.complete) id_obr.src = obr;
        	else id = setTimeout("zobraz2('"+ido+"','"+obr+"')", 100);
 }