// マウスオーバー処理

function rollover_img(){
	//マウスオーバーさせるimgのファイル名の一部（必須）
	var defalt_name="_off.";
	
	//マウスオーバー時に上記で指定した箇所を置き換える文字（必須）
	var over_name="_on.";
	
	if(document.getElementsByTagName){
		if(defalt_name == "" || over_name == ""){
			alert("error function swap_img()");
		}
		
		var images = document.getElementsByTagName("img");
		var preloadimg=new Array();
		
		for(var i=0; i<images.length; i++){
			if(images[i].getAttribute("src").match(defalt_name)){
				var overimg=images[i].getAttribute("src").replace(defalt_name,over_name);
				preloadimg[i]=new Image();
				preloadimg[i].src=overimg;
				
				images[i].onmouseover=function(){
					this.setAttribute("src",this.getAttribute("src").replace(defalt_name,over_name));
				}
				images[i].onmouseout=function(){
					this.setAttribute("src",this.getAttribute("src").replace(over_name,defalt_name));
				}
			}
		}
	}

}


if(window.addEventListener) {
	window.addEventListener("load", rollover_img, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", rollover_img);
}

// ページトップスクロール処理
function getScrollLeft() { 
	if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
		return document.body.scrollLeft;
	}
	else if (window.pageXOffset) {
		return window.pageXOffset;
	}
	else {
		return 0;
	}
}

function getScrollTop() { 
	if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
		return document.body.scrollTop;
	}
	else if (window.pageYOffset) {
		return window.pageYOffset;
	}
	else {
		return 0;
	}
}

var pageScrollTimer;
function pageScroll(toX,toY,frms,cuX,cuY) { // 020314
	if (pageScrollTimer) clearTimeout(pageScrollTimer);
	if (!toX || toX < 0) toX = 0;
	if (!toY || toY < 0) toY = 0;
	if (!cuX) cuX = 0 + getScrollLeft();
	if (!cuY) cuY = 0 + getScrollTop();
	if (!frms) frms = 6;

	if (toY > cuY && toY > (getAnchorPosObj('end','enddiv').y) - getInnerSize().height) toY = (getAnchorPosObj('end','enddiv').y - getInnerSize().height) + 1;
	cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
	cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
	var posX = Math.floor(cuX);
	var posY = Math.floor(cuY);
	window.scrollTo(posX, posY);

	if (posX != toX || posY != toY) {
		pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",16);
	}
}

function jumpToPT() {
// if (!MacIE3 && !MacIE4 && !NN && window.scrollTo || NN && (Vminor >= 4.75) && window.scrollTo) {
	pageScroll(0,0,5);
// } else {
//  location.hash = "top";
// }
}

//window-center

function openWin(wUrl,wWidth,wHeight){
scWidthCenter=screen.availWidth/2;
scHeightCenter=screen.availHeight/2;
wOption =
"scrollbars=yes,resizable=no,width="+wWidth+",height="+wHeight+",left="+(scWidthCenter-(wWidth/2))+",top="+(scHeightCenter-(wHeight/2));
window.open(wUrl,'window1',wOption);
}