function dateStr(){document.write(year()+"/"+month()+"/"+day())}function year(){now=new Date();return now.getYear()+1900}function month(){now=new Date();return now.getMonth()+1}function day(){now=new Date();return now.getDate()}function julius2000(){var yy=year()-2000;var mm=month();var dd=day();if(mm<3){mm+=12;yy-=1}return 365.0*yy+30.0*mm+dd-33.8750+Math.floor(3.0*(mm+1.0)/5.0)+Math.floor(yy/4.0)+(65.0+yy)/86400.0}function timeAdjust(hd,md){if(hd<10&&md<10){return"0"+hd+":"+"0"+md}else if(hd<10&&md>9){return"0"+hd+":"+md}else if(hd>9&&md<10){return hd+":"+"0"+md}else{return hd+":"+md}return""}