document.writeln("北京 : <span id=\"beijing\"><\/span> &nbsp;  伦敦 : <span id=\"lundun\"><\/span> &nbsp;  纽约 : <span id=\"niuyue\"><\/span>  &nbsp; 东京 : <span id=\"dongjing\"><\/span>");
document.writeln("			<script language=\"JavaScript\">");
document.writeln("			var now,hours,minutes,seconds,timeValue;");
document.writeln("			function showtime(){");
document.writeln("				now = new Date();");
document.writeln("				hours = now.getHours(); ");
document.writeln("				minutes = now.getMinutes();");
document.writeln("				seconds = now.getSeconds();");
document.writeln("				\/\/北京");
document.writeln("				timeValue = \"\";");
document.writeln("				timeValue += ((hours <10 ) ? \"0\": \"\")+ hours + \":\";");
document.writeln("				timeValue += ((minutes < 10) ? \"0\" : \"\") + minutes + \":\";");
document.writeln("				timeValue += ((seconds < 10) ? \"0\" : \"\") + seconds;");
document.writeln("				\/\/alert(timeValue);");
document.writeln("				document.getElementById(\'beijing\').innerHTML = timeValue;");
document.writeln("				\/\/伦敦");
document.writeln("				timeValuelundun = \"\";");
document.writeln("				if((hours-7)<0)");
document.writeln("				{");
document.writeln("					hourslundun=24-(7-hours);");
document.writeln("				}");
document.writeln("				else");
document.writeln("				{");
document.writeln("					hourslundun=hours-7;");
document.writeln("				}");
document.writeln("				timeValuelundun += ((hourslundun <10 ) ? \"0\": \"\")+ hourslundun + \":\";");
document.writeln("				timeValuelundun += ((minutes < 10) ? \"0\" : \"\") + minutes + \":\";");
document.writeln("				timeValuelundun += ((seconds < 10) ? \"0\" : \"\") + seconds;");
document.writeln("				document.getElementById(\'lundun\').innerHTML = timeValuelundun;");
document.writeln("				");
document.writeln("				timeValueniuyue = \"\";");
document.writeln("				if((hours-12)<0)");
document.writeln("				{");
document.writeln("					hoursnouyue=24-(12-hours);");
document.writeln("				}");
document.writeln("				else");
document.writeln("				{");
document.writeln("					hoursnouyue=hours-12;");
document.writeln("				}");
document.writeln("				timeValueniuyue += ((hoursnouyue <10 ) ? \"0\": \"\")+ hoursnouyue + \":\";");
document.writeln("				timeValueniuyue += ((minutes < 10) ? \"0\" : \"\") + minutes + \":\";");
document.writeln("				timeValueniuyue += ((seconds < 10) ? \"0\" : \"\") + seconds;");
document.writeln("				document.getElementById(\'niuyue\').innerHTML = timeValueniuyue;");
document.writeln("				");
document.writeln("				timeValuedongjing = \"\";");
document.writeln("				if((hours-23)<0)");
document.writeln("				{");
document.writeln("					hoursdongjing=24-(23-hours);");
document.writeln("				}");
document.writeln("				else");
document.writeln("				{");
document.writeln("					hoursdongjing=hours-23;");
document.writeln("				}");
document.writeln("				timeValuedongjing += ((hoursdongjing <10 ) ? \"0\": \"\")+ hoursdongjing + \":\";");
document.writeln("				timeValuedongjing += ((minutes < 10) ? \"0\" : \"\") + minutes + \":\";");
document.writeln("				timeValuedongjing += ((seconds < 10) ? \"0\" : \"\") + seconds;");
document.writeln("				document.getElementById(\'dongjing\').innerHTML = timeValuedongjing;");
document.writeln("				setTimeout(\"showtime()\",1000);");
document.writeln("			}");
document.writeln("			showtime();");
document.writeln("<\/script> ");