function checkBody() {
	var textBoxInitial = document.getElementById('checkBody')[0];
	if(textBoxInitial.value.match(/^-?[0-9]{1,3}(\.[0-9]{1,2})?$/)) {
			var textBoxElements = document.getElementById('checkBody');
			textBoxElements[1].value = halfAdjust((textBoxInitial.value) * 0.52) + "cm ～ " + halfAdjust((textBoxInitial.value) * 0.53) + "cm";
			textBoxElements[2].value = halfAdjust((textBoxInitial.value) * 0.432) + "cm";
			textBoxElements[3].value = halfAdjust((textBoxInitial.value) * 0.145) + "cm ～ " + halfAdjust((textBoxInitial.value) * 0.16) + "cm";
			textBoxElements[4].value = halfAdjust((textBoxInitial.value) * 0.37) + "cm ～ " + halfAdjust((textBoxInitial.value) * 0.39) + "cm";
			textBoxElements[5].value = halfAdjust((textBoxInitial.value) * 0.53) + "cm ～ " + halfAdjust((textBoxInitial.value) * 0.54 ) + "cm";
			textBoxElements[6].value = halfAdjust((textBoxInitial.value) * 0.29) + "cm ～ " + halfAdjust((textBoxInitial.value) * 0.31) + "cm";
			textBoxElements[7].value = halfAdjust((textBoxInitial.value) * 0.2) + "cm ～ " + halfAdjust((textBoxInitial.value) * 0.21) + "cm";
			textBoxElements[8].value = "18cm ～ 22cm";
			for (i = 1; i < textBoxElements.length; i++) {
    			textBoxElements[i].disabled = false;
			}
		}else if(textBoxInitial.value == "") {
			textBoxInitial.value = "空欄です";
		}else {
			textBoxInitial.value = "エラー";
		}
}

function halfAdjust(textBoxInitial) {
	var result;
	result = (textBoxInitial * 100);
	result = Math.round(result);
	result = (result / 100);
	return result;
}

function checkPage() {
	//現在のページ名を取得します
	var checkTitle = document.getElementById('main-col').getElementsByTagName('h2')[0].innerHTML;
	//現在のページのナビゲーションリンクを取得します
	var checkSelect = document.getElementById('left-col').getElementsByTagName('a');

	for( i=0; i<=checkSelect.length; i++ ){
	if(checkTitle == checkSelect[i].innerHTML) {			
			checkSelect[i].parentNode.appendChild(insertHtml());
			checkSelect[i].innerHTML = "<big>" + checkSelect[i].innerHTML + "</big>";
			return false;
		}
	}
	return false;
}

function insertHtml() {
	var element = document.createElement('div');  
			element.id = "jsSpanNavi"; 
			element.innerHTML = "<img src='img/arrow.gif' />";  
	return element;
}