js 模仿网上的限时抢购效果

<！DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>抢购时间倒计时效果</title> <script language="javascript"> function $（element）{ return document.getElementById（element）; } //限时抢购 var the_s=new Array（）; function view_time（the_s_index,objid）{ if（the_s[the_s_index]>=0）{ var the_D=Math.floor（（the_s[the_s_index]/3600）/24） var the_H=Math.floor（（the_s[the_s_index]-the_D*24*3600）/3600）; var the_M=Math.floor（（the_s[the_s_index]-the_D*24*3600-the_H*3600）/60）; var the_S=（the_s[the_s_index]-the_H*3600）%60; html = "还剩 "; //if（the_D！=0） html += the_D+"天"; if（the_D！=0 || the_H！=0） html += "<span class="hour">"+（the_H+（the_D*24））+"</span>小时"; if（the_D！=0 || the_H！=0 || the_M！=0） html += "<span class="minute">"+the_M+"</span>分"; html += "<span class="second">"+the_S+"</span>秒"; $（objid）.innerHTML = html; the_s[the_s_index]--; }else{ $（objid）.innerHTML = "已结束"; } } </script> </head> <body> <p class="time" id="xsq_2402"> 还剩 <span class="hour">14</span>小时<span class="minute">49</span>分<span class="second">44</span>秒 <br/> <script language="javascript"> var startDate= new Date（"2010/07/16 09:07:43"）; var endDate= new Date（"2010/07/17 00:00:00"）; the_s[2402]=（endDate.getTime（）-startDate.getTime（））/1000; setInterval（"view_time（2402,"xsq_2402"）",1000）; </script> </body> </html>

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