// サイドメニュー
chMenu=0;subMenu=0;
function subopen(tName){
tMenu=(document.all)?document.all(tName).style:document.getElementById(tName).style;
if(tName.substring(0, 3)!="sub"){
  if(chMenu)chMenu.display="none";
  if(subMenu){subMenu.display="none";subMenu=0;}
  if(chMenu==tMenu){chMenu=0;}
  else{chMenu=tMenu;
  tMenu.display="block";}
}else{
  if(subMenu)subMenu.display="none";
  if(subMenu==tMenu){subMenu=0;}
  else{subMenu=tMenu;
  tMenu.display="block";}
}
}

//rollOver.js
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 == 'btn') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_current'+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('_current'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}


function viewBox(div) {
	div.style.display = "block";
}
function hideBox(div) {
	div.style.display = "none";
}
function showList(boxid) {
	var ref = "";
	var docref = "";
	ref = "ref_" + boxid;
	docref = document.getElementById(ref);
	if (docref.style.display == 'none' || docref.style.display == '') {
		viewBox(docref);
	} else {
		hideBox(docref);
	}
}