//button mouse over / click / out. ****************************************************************
function mouseover(lin,imgName) {
	lin.src  = "images/"+imgName+"_over.gif";
}

function mouseout(lin,imgName) {
	lin.src  = "images/"+imgName+".gif";
}

function mousedown(lin,imgName){
	 lin.src  = "images/"+imgName+"_click.gif";
}

//today. ****************************************************************
function currentDate(){
	today = new Date();
	year  = today.getFullYear();
	mon   = today.getMonth() + 1;
	day   = today.getDate();

//日付表示
	str = year+"/"+mon+"/"+day;
	document.write(str);
}