if (document.images) 	{
	bsodanImg = new Image
	koeImg = new Image
	
	bsodanImg.src = "images/bsodan_o.gif"
	koeImg.src = "images/koe_o.gif"
	
	}

else {
	kgaiyoImg.src = ""
	tokuiImg.src = ""

	}