var img = new Array();
img[1] = new Image(); img[1].src = "img/kentenki_kyou.jpg";
img[2] = new Image(); img[2].src = "img/kentemp_kyou.jpg";
img[3] = new Image(); img[3].src = "img/kenrain_kyou.jpg";

function change(name,id) {
if(navigator.appVersion.charAt(0) >= "3") {
document.images[name].src = img[id].src;
}}

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];}
}

function miru(){
if (document.getElementById){
document.getElementById("naisho").style.visibility="visible";
}
else if (document.all){
window["naisho"].style.visibility="visible";
}
else if (document.layers){
document.layers["naisho"].visibility="show";
}
}
function kakusu(){
if (document.getElementById){
document.getElementById("naisho").style.visibility="hidden";
}
else if(document.all){
window["naisho"].style.visibility="hidden";
}
else if(document.layers){
document.layers["naisho"].visibility="hide";
}
}