$
var ContBgBild = article.value('cont-bgbild', '');
var ContMinH = article.value('cont-h', '');
var headstyle = "";
headstyle += '.WZP-Artikel_' + article.id + '.wzp-para {';
headstyle += 'background-image: url("' + ContBgBild + '");';
headstyle += ' min-height:' + ContMinH + ';';
headstyle += ' position:relative;';
headstyle += ' background-size:cover;';
headstyle += ' background-repeat:no-repeat;';
headstyle += ' background-position:50% 50%;';
headstyle += ' z-index:1;';
headstyle += ' margin-bottom:2.5em;';
headstyle += '}';
system.addHtmlHeadElement("