$(document).ready(function(){
//日付取得
	var today = new Date();
	var yyyy = today.getYear();
	var mm = today.getMonth() + 1;
	var dd = today.getDate();
	if(yyyy < 2000) { yyyy += 1900; }
	if(mm < 10) { mm = "0" + mm; }
	if(dd < 10) { dd = "0" + dd; }
	yyyy = ""+yyyy;
	mm = ""+mm;
	dd = ""+dd;
	today = yyyy+mm+dd ;
//個数取得
	var n = $("div[class^='2']").length;
	for (i = 0; i < n; i++){
		var c = $("div[class^='2']").eq(i).attr("class");
		if(today > c){
			$("div[class^='2']").eq(i).hide();
		}
	}
});