// imagerollover

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'rollover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_a'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_a'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

try{
	window.addEventListener("load",initRollovers,false);
}catch(e){
	window.attachEvent("onload",initRollovers);
}

function ctrlBookList() {
	if (document.getElementById('bookItemHide').style.display == 'none' || document.getElementById('bookItemHide').style.display == '') {
		document.getElementById('bookItemHide').style.display = 'block';
		document.getElementById('ctrlBookListViewNum').innerHTML = '元に戻す';
		document.getElementById('viewAll').style.background = "url(./images/icon_redminusmini.gif) left center no-repeat"
	} else {
		document.getElementById('bookItemHide').style.display = 'none';
		document.getElementById('ctrlBookListViewNum').innerHTML = 'すべて見る';
		document.getElementById('viewAll').style.background = "url(./images/icon_redplusmini.gif) left center no-repeat"
	}
}

function ctrlAnalyzePage() {
	if (document.getElementById('graphPageBox').style.display == 'none' || document.getElementById('graphPageBox').style.display == '') {
		document.getElementById('graphPageBox').style.display = 'block';
		document.getElementById('ctrlAnalyzePage').innerHTML = '元に戻す';
		document.getElementById('btn-display').style.background = "url(./images/icon_redminusmini.gif) left center no-repeat"
	} else {
		document.getElementById('graphPageBox').style.display = 'none';
		document.getElementById('ctrlAnalyzePage').innerHTML = 'すべて見る';
		document.getElementById('btn-display').style.background = "url(./images/icon_redplusmini.gif) left center no-repeat"
	}
}