// count down function myCountDown(myYear,myMonth,myDay){ myNow = new Date(); myRunDate = new Date( myYear , myMonth-1 , myDay ); myMsec = myNow.getTime()-myRunDate.getTime(); myDayCount = Math.floor(myMsec / (1000*60*60*24)); return myDayCount; // 指定日も１日と数える場合は１を足します(myDayCount+1) } function nw(u1,u2,u3,u4) { var today = new Date(); var nt = 24; var c = new Date(u1,u2-1,u3,u4); if (today-c<3600000*nt) { document.write('New!!')} }