//　スワップイメージ

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

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

function M_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=M_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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

// img チェインジ

var imgselect=1;

function picchange(){

switch(imgselect){
case 0:
img1.src = "change-img/orebellA1.jpg";
imgselect++;
break
case 1:
img1.src = "change-img/TK-4-1.jpg";
imgselect++;
break
case 2:
img1.src = "change-img/uritoti1-isibasi11.jpg";
imgselect++;
break
case 3:
img1.src = "change-img/TEtomiya1.jpg";
imgselect=0;
break
 }
}