function ch_type(sel){
// onchangeでウィンドウを開く方法を選択
var form=document.form1;
var open_type=sel.options[sel.selectedIndex].value;
if(open_type==1){form.target="_blank";}
else{form.target="";}
}

acDate=new Date();
myYear=acDate.getYear();
if(myYear<2000){myYear=myYear+1900};
myMonth=acDate.getMonth();
myDate=acDate.getDate();
acDay=new Array("日","月","火","水","木","金","土");
myDay=acDay[acDate.getDay()];
myHour=acDate.getHours();
myMinute=acDate.getMinutes();
mySecond=acDate.getSeconds();