if (document.images) {
 
Img0Def=new Image();  Img0Def.src="obrazy/kurek_37.jpg"; 
Img0Over=new Image();  Img0Over.src="obrazy/kurek_37_click.jpg"; 
Img0Down=new Image();  Img0Down.src="obrazy/kurek_37.jpg"; 

Img1Def=new Image();  Img1Def.src="obrazy/kurek_10.jpg"; 
Img1Over=new Image();  Img1Over.src="obrazy/kurek_10_click.jpg"; 
Img1Down=new Image();  Img1Down.src="obrazy/kurek_10.jpg"; 

Img2Def=new Image();  Img2Def.src="obrazy/kurek_11.jpg"; 
Img2Over=new Image();  Img2Over.src="obrazy/kurek_11_click.jpg"; 
Img2Down=new Image();  Img2Down.src="obrazy/kurek_11.jpg"; 

Img3Def=new Image();  Img3Def.src="obrazy/kurek_12.jpg"; 
Img3Over=new Image();  Img3Over.src="obrazy/kurek_12_click.jpg"; 
Img3Down=new Image();  Img3Down.src="obrazy/kurek_12.jpg"; 

Img4Def=new Image();  Img4Def.src="obrazy/kurek_13.jpg"; 
Img4Over=new Image();  Img4Over.src="obrazy/kurek_13_click.jpg"; 
Img4Down=new Image();  Img4Down.src="obrazy/kurek_13.jpg";

Img5Def=new Image();  Img5Def.src="obrazy/kurek_14.jpg"; 
Img5Over=new Image();  Img5Over.src="obrazy/kurek_14_click.jpg"; 
Img5Down=new Image();  Img5Down.src="obrazy/kurek_14.jpg";

Img6Def=new Image();  Img6Def.src="obrazy/kurek_15.jpg"; 
Img6Over=new Image();  Img6Over.src="obrazy/kurek_15_click.jpg"; 
Img6Down=new Image();  Img6Down.src="obrazy/kurek_15.jpg";

Img7Def=new Image();  Img7Def.src="obrazy/kurek_16.jpg"; 
Img7Over=new Image();  Img7Over.src="obrazy/kurek_16_click.jpg"; 
Img7Down=new Image();  Img7Down.src="obrazy/kurek_16.jpg";

}

function imgOver(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "Over.src");       
  }
}
function imgOut(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "Def.src");
  }
}
function imgDown(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "Down.src");
  }
}
function imgUp(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "Over.src");
  }
}