var gaTe
function gateway(){
  var onRotate = new Array()

onRotate[0] = '<img src="http://www.fuku-t.net/wp-content/themes/site/image/head_img/header1.jpg">'
onRotate[1] = '<img src="http://www.fuku-t.net/wp-content/themes/site/image/head_img/header2.jpg">'
onRotate[2] = '<img src="http://www.fuku-t.net/wp-content/themes/site/image/head_img/header3.jpg">'
onRotate[3] = '<img src="http://www.fuku-t.net/wp-content/themes/site/image/head_img/header4.jpg">'
onRotate[4] = '<img src="http://www.fuku-t.net/wp-content/themes/site/image/head_img/header5.jpg">'
  
  onRotate[5] = onRotate[0] 
  gaTe = Math.round(Math.random() * 5)
  return onRotate[gaTe]
  }

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;
}