function OAS_RICH(position) { if (position == 'Top') { document.write ('www.camtech.com'); } if (position == 'Right') { document.write ('www.ophir-spiricon.com'); } if (position == 'Bottom') { document.write ('www.physicsweb.org'); } if (position == 'Left') { document.write ('www.physicsweb.org'); } if (position == 'Middle') { document.write ('www.ophir-spiricon.com
advertisement'); } }