function adjust_background(){bg = $j('#background');fg_bg = $j('#foreground,#background');body = $j('body');img_width = 0;img_height = 0;if(body.hasClass('weihnachtsbaeume')){img_width = 2592;img_height = 1944;}if(body.hasClass('kontakt')){img_width = 3072;img_height = 2304;}if(body.hasClass('kraeuter')){img_width = 2592;img_height = 1944;}if(body.hasClass('obsthof')){img_width = 2304;img_height = 3072;}if(body.hasClass('start')){img_width = 3072;img_height = 2304;}if(!img_width ||!img_height){return;}img_ratio = img_width / img_height;covered_width = window.innerWidth;window_height = window.innerHeight;scroll_height = bg[0].scrollHeight;covered_height = Math.max(window_height,scroll_height);covered_ratio = covered_width / covered_height;if(img_ratio < covered_ratio){img_width = covered_width;img_height = Math.round(img_width / img_ratio);}else{img_height = covered_height;img_width = Math.round(img_height * img_ratio);}bg.css('background-size',String(img_width)+'px '+String(img_height)+'px');if(scroll_height < covered_height) fg_bg.css('height',String(covered_height)+'px');}$j(function(){adjust_background();$j(window).resize(adjust_background);});