function mySetCookie(myCookie,myValue,myDay){ 
   myExp = new Date(); 
   myExp.setTime(myExp.getTime()+(myDay*24*60*60*1000)); 
   myItem = "@" + myCookie + "=" + escape(myValue) + ";"; 
   myExpires = "expires="+myExp.toGMTString(); 
   document.cookie =  myItem + myExpires; 
} 
function myGetCookie(myCookie){ 
   myCookie = "@" + myCookie + "="; 
   myValue = ""; 
   myStr = document.cookie + ";" ; 
   myOfst = myStr.indexOf(myCookie); 
   if (myOfst != -1){ 
      myStart = myOfst + myCookie.length; 
      myEnd   = myStr.indexOf(";" , myStart); 
      myValue = unescape(myStr.substring(myStart,myEnd)); 
   } 
   return myValue; 
} 

function showMore(varA1, varB1){
var123 = ('varXYZ' + (varA1));
varABC = ('varP' + (varA1));
if( document.getElementById ) {
if( document.getElementById(var123).style.display ) {
if( varB1 != 0 ) {
document.getElementById(var123).style.display = "block";
document.getElementById(varABC).style.display = "none";
} else { document.getElementById(var123).style.display = "none"; 
document.getElementById(varABC).style.display = "block"; }
} else { location.href = varB1;
return true; }
} else { location.href = varB1;
return true; }
}

var wall = new Array();

/* 使用する背景画像を好きなだけ記述 */

wall[0] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704144622cfc.jpg";
wall[1] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/200907041448055cc.jpg";
wall[2] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/200907041448449bf.jpg";
wall[3] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704144931dd0.jpg";
wall[4] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704144947eb6.jpg";
wall[5] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/200907041450012ca.jpg";
wall[6] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704145042557.jpg";
wall[7] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704145119a0a.jpg";
wall[8] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704145129906.jpg";
wall[9] = "http://blog-imgs-26.fc2.com/b/e/l/believebel/20090704145149b7d.jpg";


var rnd = Math.floor((Math.random() * 100)) % wall.length;
document.write('<style type="text/css">#header_body { background-image:url(' , wall[rnd] , '); }</style>');