if(document.images) {
		delete OverImage;
		delete OverImage1;
		delete OutImage;
		delete OutImage1;
		OverImage = new Array(4);
		OutImage = new Array(4);
		for(var n=1;n<=4;n++) {
			OverImage[n]=new Image();
			OutImage[n]=new Image();
			OverImage[n].src="img/js"+n+"a.gif";
			OutImage[n].src="img/js"+n+".gif";
		}
		OverImage1 = new Array(20);
		OutImage1 = new Image();
		OutImage1.src="img/nodename_neutral.gif";
		for(var n=1;n<=20;n++) {
			OverImage1[n]=new Image();
			OverImage1[n].src="img/ks"+n+"a.gif";
		}
	}

	function On(i)
		{
		if(document.images)
			document.images["img"+i].src=OverImage[i].src;
		}

	function Off(i)
		{
		if(document.images)
			document.images["img"+i].src=OutImage[i].src;
		}

	function Onn(i)
		{
		if(document.images)
			document.images["img5"].src=OverImage1[i].src;
		}

	function Offf()
		{
		if(document.images)
			document.images["img5"].src=OutImage1.src;
		}