/**
 * onmouseove/onmouseoutに自動で関数を設定する
 * @param {Object} tagName 設定したいタグ名（画像をつけられるもの）
 * @param {Object} className 関数を設定するタグにつけるクラス名
 */
function initOnMouseFunc(tagName, className) {
	var elements = document.getElementsByTagName(tagName);
	
	for(cnt = 0; cnt < elements.length; cnt++) {
		obj = elements[cnt];
		if(obj.className == className) {
			var defImg = obj.src;
			var dotPos = defImg.lastIndexOf(".");
			var onImg  = defImg.substr(0, dotPos)+"o"+defImg.substr(dotPos);
			
			obj.setAttribute('defImg', defImg);
			obj.setAttribute('onImg' , onImg);
			obj.onmouseover = function() {
				this.src = this.getAttribute('onImg');
			};
			
			obj.onmouseout = function() {
				this.src = this.getAttribute('defImg');
			};

			obj.onerror = function() {
				this.src = this.getAttribute('defImg');
			};
		}
	}
}




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_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_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];}
}