if (typeof square == 'undefined') {square = 0;}

//Version with Square
//if(square > 965)
//{
//document.write ("<script type='text/javascript' src='https://www.organic-chemistry.org/ads/square.php'></scr"+"ipt><style type='text/css'>#content, #mobile {margin-top: 110px;} p.social {display:none}</style>");}

//Version with PM
if(square > 930)
{
document.write ("<iframe src='https://cdn.organic-chemistry.org/ads/pm/2021/feb/' target='_blank' height='420' width='415' scrolling='no' border='0' frameborder='0'></iframe><style type='text/css'>#content, #mobile {margin-top: 280px;} p.social {display:none}</style>");}

else {
document.write ("<iframe src='https://cdn.organic-chemistry.org/ads/banner/j-star/1/' height='90px' width='100%' scrolling='no' border='0' frameborder='0'></iframe><p style='margin:0px' align='right'><a href='https://www.organic-chemistry.org/info/imprint/advertisement.htm'>Info for Advertisers</a></p>");}