function Load() {
	var s = getCookie('font_size');
	FontSizeChange( s );
}



function getCookie(item) {
	var i, index, arr;
	arr = document.cookie.split(";");
	for(i = 0; i < arr.length; i++) {
		index = arr[i].indexOf("=");
		// 2番目は頭がスペースのとき
		if(arr[i].substring(0, index) == item || arr[i].substring(0, index) == " " + item)
				return arr[i].substring(index + 1);
	}
	return '';
}

// cookieを保存
function setCookie(item, value, expires) {
	if(!expires){
		d = new Date();
		previsit = d.toGMTString();
		d.setTime(d.getTime() + 24*60*60*1000); //24時間後
		expires = d.toGMTString();
	}
    document.cookie = item + "=" + value + ";expires=" + expires;
}

function KeyEnter() {
	if( event.keyCode == 13 ) {
		//document.f.submit();
	}
}
function SearchSubmit( f, target_str ) {
	if( target_str ) {
		f.target = target_str;
	}
	else {
		f.target = '_self';
	}
	f.submit();
}
function PageJump(id){
	obj = document.getElementById(id);
	y = obj.offsetTop;
	scrollTo(0,y);
}
function FontSizeChange( s ){
	document.body.style.fontSize = s;
	setCookie('font_size',s,'');
}

function PopupText( e, text ) {
	// e=arguments[0]と記述
	var d = document.getElementById('gPopup');
	var cx;
	var cy;
	var sx = document.documentElement.scrollLeft || document.body.scrollLeft;
	var sy = document.documentElement.scrollTop || document.body.scrollTop;
	if( e ) {
		// ff
		cx = e.clientX + sx;
		cy = e.clientY + sy;
	} else {
		// ie
		cx = event.clientX + sx;
		cy = event.clientY + sy;
	}
	d.style.left = -600 + cx + 'px';
	d.style.top  = -18 + cy + 'px';
	d.style.display  = 'block';
	d.innerHTML = text;
}
function PopupHide() {
	document.getElementById('gPopup').style.display = 'none';
}