//コメント開閉
function showHide(entryID, entryLink, htmlObj) {
	extTextDivID=('Text'+(entryID));
	extLinkDivID=('Link'+(entryID));
	if(document.getElementById) {
		if(document.getElementById(extTextDivID).style.display) {
			if(entryLink!=0) {
				document.getElementById(extTextDivID).style.display="block";
				document.getElementById(extLinkDivID).style.display="none";
				htmlObj.blur();
			} else {
				document.getElementById(extTextDivID).style.display="none";
				document.getElementById(extLinkDivID).style.display="block";
			}
		} else {
			location.href=entryLink;
			return true;
		}
	} else {
		location.href=entryLink;
		return true;
	}
}

//上へ
function backToTop() {
	var x1=x2=x3=0;
	var y1=y2=y3=0;
	if(document.documentElement) {
		x1=document.documentElement.scrollLeft||0;
		y1=document.documentElement.scrollTop||0;
	}
	if(document.body) {
		x2=document.body.scrollLeft||0;
		y2=document.body.scrollTop||0;
	}
	x3=window.scrollX||0;
	y3=window.scrollY||0;
	var x=Math.max(x1,Math.max(x2,x3));
	var y=Math.max(y1,Math.max(y2,y3));
	window.scrollTo(Math.floor(x/2),Math.floor(y/2));
	if(x>0||y>0){
		window.setTimeout("backToTop()",25);
	}
}