if( navigator.userAgent.indexOf("Win",0) >= 0){
	document.write('<LINK REL="STYLESHEET" TYPE="text/css" HREF="../../css/ie.css">');
}else{
	document.write('<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" HREF=\"../../css/mac.css\">');
}

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

	//画像のファイル名を指定して下さい
	//(閉まっているフォルダが、folder1.gif・開いているフォルダが、folder2.gifとなります。
imagefile = new Array("img/folder1.gif", "img/folder2.gif");
//
	//画像をキャッシュします
image = new Array(imagefile.length);
for(count = 0; count < (imagefile.length - 1); count++){
	image[count] = new Image();
	image[count].src = imagefile[count];
}

function ImageChange(id){
	if(window.document.images[id].src.indexOf(imagefile[0]) != -1){
		window.document.images[id].src  = imagefile[1];
	}else{
		window.document.images[id].src  = imagefile[0];
	}
}

function Display(id){
	if(document.all){
		if(document.all(id).style.display == "block"){
			document.all(id).style.display = "none";
		}else if(document.all(id).style.display == "none"){
			document.all(id).style.display = "block";
		}
	}else if(document.getElementById){
		if(document.getElementById(id).style.display == "block"){
			document.getElementById(id).style.display = "none";
		}else if(document.getElementById(id).style.display == "none"){
			document.getElementById(id).style.display = "block";
		}
	}
}
	var newImg="";
function swImg(imgN){
		newImg = imgN;
		document.changeimg.src = newImg;
}