size = size.split(','); var dw = size[0]; var dh = size[1]; var img = new image(); img.src = obj.src; if(img.width/img.height >= dw/dh) { if(img.width > dw) { obj.width = dw; obj.height = img.height*dw/img.width; }else { obj.width = img.width; obj.height = img.height > dh ? img.height*img.width/dw : img.height; } }else { if(img.height > dh) { obj.height = dh; obj.width = img.width*dh/img.height; }else { obj.height = img.height; obj.width = img.width > dw ? img.height*img.width/dh : img.width; } } obj.style.margintop = (dh-obj.height)/2+'px'; } function slider(obj) { document.getelementbyid("big_pic2").href = obj.src; document.getelementbyid("big_pic").src = obj.src; } function slider1(obj) { document.getelementbyid("big_pic4").href = obj.src; document.getelementbyid("big_pic3").src = obj.src; } $(function(){ $(".sidebarul li").removeclass("on"); $(".item2").addclass("on"); });
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