/*
	--------------------------------
	Last Modified: 2008.07.04
	--------------------------------
	- Table of Contents -

	サイトルート

	ロールオーバー

	MM_Behavior
	--------------------------------
*/



/* --------------------------------
	サイトルート
-------------------------------- */

var siteRoot = getSiteRoot('script', 'common/js/base.js');

function getSiteRoot(tagName, str) {
	var elms = document.getElementsByTagName(tagName);
	for (var i = 0, l = elms.length; i < l; i++) {
		if (elms[i].src.match(str + '([\?].*|$)')) return elms[i].src.split(str)[0];
	}
	return false;
}



/* --------------------------------
	ロールオーバー
-------------------------------- */

$(function() {
	rollover('.rollover', '_ov');
	rollover('#globalNav a img', '_ov', '_cr', '_ac');
});


function rollover(target, hover, current, focus) {
	$(target).each(function() {
		var isCurrent = current && this.src.match(current + '(\.gif|\.jpg|\.png)([\?].*|$)');
		this.src.match('(\.gif|\.jpg|\.png)([\?].*|$)');
		var ext = RegExp.$1;
		var search = (isCurrent) ? current + ext : ext;
		var replace_over = (isCurrent) ? current + ext : hover + ext;
		if(focus) var replace_down = (isCurrent) ? focus + ext : focus + ext;
		
		var out = this.src;
		var over = this.src.replace(search, replace_over);
		if(focus) var down = this.src.replace(search, replace_down);

		// preload
		new Image().src = over;
		if(focus) new Image().src = down;

		// イベントの追加
		$(this).bind('mouseover', function() { this.src = over; })
			.bind('mouseout', function() { this.src = out; });
		
		if(focus) $(this).bind('mousedown', function() { this.src = down; });
			
	});
}



/* --------------------------------
	MM_Behavior
-------------------------------- */

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}





/* --------------------------------
	pagetop
-------------------------------- */

function pageTop() {
	var cuX  = document.body.scrollLeft  || document.documentElement.scrollLeft;
	var cuY  = document.body.scrollTop  || document.documentElement.scrollTop;

	var tmpCount =  0 ; // カウント
	var divCount = 40 ; // 分割数
	var edging = 100 ; // イージング値 -100 <= edging <= 100
	
	edging /= 100*Math.PI ;

	pageScroll = function() {
		if( tmpCount++ < divCount ){
			
			var c = tmpCount/divCount;
			
			cuX -= cuX*(c + edging*Math.sin( Math.PI*c ));
			cuY -= cuY*(c + edging*Math.sin( Math.PI*c ));

			var posX = Math.floor(cuX);
			var posY = Math.floor(cuY);

			window.scrollTo(posX, posY);
			//alert(tmpCount + " " + posY);
			if(posX!=0 || posY!=0) setTimeout("pageScroll()",5);
		}
	}
	pageScroll();
}