//iframe出現
function bord(flg){
	if(flg == 1){
			document.getElementById('contents_area').style.display = "block";
			document.getElementById('topnews').style.display = "none";
			
	}
	else{
		document.getElementById('contents_area').style.display = "none";
		document.getElementById('topnews').style.display = "block";
	}
}

//メニューのhover
function buttonHover(obj,flg){
	if(flg == 1){
		path = "img/" + obj.id + "_o.png";
		obj.src = path;
		IEPNGFIX.fix(obj, path);
	}
	else if(contentsId != obj.id){
		path = "img/" + obj.id + ".png";
		obj.src = path;
		IEPNGFIX.fix(obj, path);
	}
}


var contentsId = "";
//選択中メニューの色保持
function currentContents(obj){
	if(contentsId != "" && obj.id != contentsId){
		path = "img/" + contentsId + ".png";
		document.getElementById(contentsId).src = path;
		IEPNGFIX.fix(document.getElementById(contentsId), path);
	}
	contentsId = obj.id;
}

//ポップアップ
function popup(){
	window.open("contents/info.html","info","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=600,height=240");
}


//強制ボタン色づけ
function putColor(id){
	contentsId = id;
	path = "img/" + contentsId + "_o.png";
	document.getElementById(contentsId).src = path;
	IEPNGFIX.fix(document.getElementById(contentsId), path);

}




if (typeof IEPNGFIX == 'undefined') {
	
	var IEPNGFIX = {
		blank:  'http://www.ayano-web.com/pc/img/blank.gif',
		filter: 'DXImageTransform.Microsoft.AlphaImageLoader',
	
		fixit: function (elem, src, method) {
			if (elem.filters[this.filter]) {
				var filter = elem.filters[this.filter];
				filter.enabled = true;
				filter.src = src;
				filter.sizingMethod = method;
			}
			else {
				elem.style.filter = 'progid:' + this.filter +
					'(src="' + src + '",sizingMethod="' + method + '")';
			}
		},
	
		fixwidth: function(elem) {
			if (elem.currentStyle.width == 'auto' &&
				elem.currentStyle.height == 'auto') {
				elem.style.width = elem.offsetWidth + 'px';
			}
		},
	
		fixchild: function(elem, recursive) {
			if (!/MSIE (5\.5|6\.|7\.)/.test(navigator.userAgent)) return;
	
			for (var i = 0, n = elem.childNodes.length; i < n; i++) {
				var childNode = elem.childNodes[i];
				if (childNode.style) {
					if (childNode.style.position) {
						childNode.style.position = childNode.style.position;
					}
					else {
						childNode.style.position = 'relative';
					}
				}
				if (recursive && childNode.hasChildNodes()) {
					this.fixchild(childNode, recursive);
				}
			}
		},
	
		fix: function(elem) {
			if (!/MSIE (5\.5|6\.|7\.)/.test(navigator.userAgent)) return;
	
			var bgImg =
				elem.currentStyle.backgroundImage || elem.style.backgroundImage;
	
			if (elem.tagName == 'IMG') {
				if ((/\.png$/i).test(elem.src)) {
					this.fixwidth(elem);
					this.fixit(elem, elem.src, 'scale');
					elem.src = this.blank;
					elem.runtimeStyle.behavior = 'none';
				}
			}
			else if (bgImg && bgImg != 'none') {
				if (bgImg.match(/^url[("']+(.*\.png)[)"']+$/i)) {
					var s = RegExp.$1;
					this.fixwidth(elem);
					elem.style.backgroundImage = 'none';
					this.fixit(elem, s, 'scale'); // crop | image | scale
	
					if (elem.tagName == 'A' && elem.style) {
						if (!elem.style.cursor) {
							elem.style.cursor = 'pointer';
						}
					}
	
					this.fixchild(elem);
					elem.runtimeStyle.behavior = 'none';
				}
			}
		},
	
		hover: function(elem, hvImg) {
			var bgImg = elem.style.backgroundImage;
	
			if (!bgImg && elem.currentStyle) bgImg = elem.currentStyle.backgroundImage;
	
			if (elem.tagName == 'IMG' && hvImg) {
				var image = elem.src;
				elem.onmouseover = function() {
					elem.src = hvImg;
					IEPNGFIX.fix(elem);
				};
				elem.onmouseout = function() {
					elem.src = image;
					IEPNGFIX.fix(elem);
				};
			}
			else if (bgImg && bgImg != 'none' && hvImg) {
				elem.onmouseover = function() {
					elem.style.backgroundImage = 'url(' + hvImg + ')';
					IEPNGFIX.fix(elem);
				};
				elem.onmouseout = function() {
					elem.style.backgroundImage = bgImg;
					IEPNGFIX.fix(elem);
				};
			}
	
			IEPNGFIX.fix(elem);
		}
	};

}