function dispSupport() {
	document.write('<p>文字の拡大</p><ul class="clear"><li><a href="javascript:void(0)" onclick="chgTxtSize(0)" id="SupportBT0" title="標準">標準</a></li><li><a href="javascript:void(0)" onclick="chgTxtSize(1)" id="SupportBT1" title="大">大</a></li><li><a href="javascript:void(0)" onclick="chgTxtSize(2)" id="SupportBT2" title="特大">特大</a></li></ul>');
	chgTxtSize(sizeNo);
}
function dispPrintBt() {
	if (window.print != null) {
		document.write('<p id="Print"><a href="javascript:void(0)" onclick="printPage()">印刷</a></p>');
	}
}
function printPage() {
	window.print(); 
}
function chgTxtSize(sizeNo) {
	chgSize = new Array("100%","115%","130%");
	document.body.style.fontSize = chgSize[sizeNo];
	for(i=0; i<3; i++) {
		document.getElementById('SupportBT' + i).style.backgroundPosition = '0 0';
	}
	document.getElementById('SupportBT' + sizeNo).style.backgroundPosition = '0 -25px';
	document.cookie = cookieName + "=" + sizeNo;
}
var cookieName = "fontSize";
var cookie = document.cookie + ";";
if (cookie.indexOf(cookieName) != -1) {
	sizeNo = Number(cookie.substr(cookie.indexOf(cookieName) + cookieName.length + 1, 1));
}
else {
	sizeNo = 0;
}