奥运倒计时

								<!-- 奥运倒计时 开始 -->
						
								<SPAN id=span_dt_dt class="wenzi-1"></SPAN>
								<SCRIPT language=javascript> 
								<!-- 
								//document.write(""); 
								function show_date_time(){ 
								window.setTimeout("show_date_time()", 1000); 
								BirthDay=new Date("8/08/2008 20:00:00");//这个日期是可以修改的 
								today=new Date(); 
								timeold=(BirthDay.getTime()-today.getTime()); 
								sectimeold=timeold/1000 
								secondsold=Math.floor(sectimeold); 
								msPerDay=24*60*60*1000 
								e_daysold=timeold/msPerDay 
								daysold=Math.floor(e_daysold); 
								e_hrsold=(e_daysold-daysold)*24; 
								hrsold=Math.floor(e_hrsold); 
								e_minsold=(e_hrsold-hrsold)*60; 
								minsold=Math.floor((e_hrsold-hrsold)*60); 
								seconds=Math.floor((e_minsold-minsold)*60); 
								document.getElementById('span_dt_dt').innerHTML=daysold+"天"+hrsold+":"+minsold+":"+seconds; 
								} 
								show_date_time(); 
								//--> 
								</SCRIPT>
								<!-- 奥运倒计时 结束 -->