function imagereplacer(place)
        {
		if (place==1) document.elibtn4.src="images/cos2-slices_04a.gif";
                if (place==2) document.elibtn4.src="images/cos2-slices_04.gif";
                if (place==3) document.elibtn5.src="images/cos2-slices_05a.gif";
                if (place==4) document.elibtn5.src="images/cos2-slices_05.gif";
                if (place==5) document.elibtn6.src="images/cos2-slices_06a.gif";
                if (place==6) document.elibtn6.src="images/cos2-slices_06.gif";
                if (place==7) document.elibtn7.src="images/cos2-slices_07a.gif";
                if (place==8) document.elibtn7.src="images/cos2-slices_07.gif";
                if (place==9) document.elibtn8.src="images/cos2-slices_08a.gif";
                if (place==10) document.elibtn8.src="images/cos2-slices_08.gif";
                if (place==11) document.elibtn9.src="images/cos2-slices_09a.gif";
                if (place==12) document.elibtn9.src="images/cos2-slices_09.gif";
	}