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		    contenta+='<a class="bm" href="javascript:void(0);" onclick="add_cart(\'1119\',\'49.00\',1);">购买</a>';
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	content+='<li id="item_0_1119_1_2_1119||49.00_0" style="cursor:pointer;"><p class="video_bt videorbg">第一课</p>';
	content+='<p class="videotime"><i class="lbcoin">录播</i> <em>38分24秒</em><em class="vpirce">49.00元</em>';
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    content+='</p>';
	content+='</li>';
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        buy_button+='<a class="ljbm" href="javascript:void(0);" onclick="add_cart(\'1049\',\'49\',2)">全部购买</a>';
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          table_file_str+='<dt class="sptit"><span>时长</span>视频名称 </dt>';
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