//------------------------------//
// 開始年と終了年を指定してくだい
var kaishi_nen = 2003;
var shuuryou_nen = 2011;
//------------------------------//

function print(Obj) {
	var nen = Obj.options[Obj.selectedIndex].value;
	if (!document.getElementById) return;
	allnone();
	if (nen == '') return;
	var element = document.getElementById(nen);
	if (!element) return;
    element.style.display = "block";
}
function allnone () {
	for (nen = kaishi_nen; nen <= shuuryou_nen; nen++) {
		var element = document.getElementById(nen);
		if (!element) continue;
	 	element.style.display = "none";
	}
}