var preLoadImg = new Object();

$('#ir_kabua').each(function(){
  var Href = $(this).attr('href');
  $("#ir_kabu").click(function() {
    window.open(Href,'_top');
    return false;
  });
});

$('#ir_kabu').hover(function(){
        $("#ir_kabu").css("background-image","url(../img/ir/h1_index_on.jpg)");
        $("#ir_kabua").css({color:"#3B82C2"});
  },function(){
        $("#ir_kabu").css("background-image","url(../img/ir/h1_index.jpg)");
        $("#ir_kabua").css({color:"#4B494A"});
});

function initRollOvers(){
$("img.rollover").each(function(){
var imgSrc = this.src;
var sep = imgSrc.lastIndexOf('.');
var onSrc = imgSrc.substr(0, sep) + '_on' + imgSrc.substr(sep, 4);
preLoadImg[imgSrc] = new Image();
preLoadImg[imgSrc].src = onSrc;
$(this).hover(
function() { this.src = onSrc; },
function() { this.src = imgSrc; }
);
});
}
$(function(){
initRollOvers();
});

$(function(){
$("#wrap").css("font-size",$.cookie('fsize'));
if($.cookie('fsize')=="80%"){
$("#fs_s").attr("src", "/img/header/fs_s_on.gif");
}else if($.cookie('fsize')=="100%"){
$("#fs_m").attr("src", "/img/header/fs_m_on.gif");
}else if($.cookie('fsize')=="120%"){
$("#fs_b").attr("src", "/img/header/fs_b_on.gif");
}else{
$("#fs_m").attr("src", "/img/header/fs_m_on.gif");
}
});
function font(size){
$("#wrap").css("font-size",size);
$.cookie("fsize",size,{expires:30,path:'/'});
var fs = size;
if(size=="80%"){
$("#fs_s").attr("src", "/img/header/fs_s_on.gif");
$("#fs_m").attr("src", "/img/header/fs_m.gif");
$("#fs_b").attr("src", "/img/header/fs_b.gif");
}
if(size=="100%"){
$("#fs_s").attr("src", "/img/header/fs_s.gif");
$("#fs_m").attr("src", "/img/header/fs_m_on.gif");
$("#fs_b").attr("src", "/img/header/fs_b.gif");
}
if(size=="120%"){
$("#fs_s").attr("src", "/img/header/fs_s.gif");
$("#fs_m").attr("src", "/img/header/fs_m.gif");
$("#fs_b").attr("src", "/img/header/fs_b_on.gif");
}
}

<!--
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_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_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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function popJump(selOBJ)
{
	n = selOBJ.selectedIndex;
	location.href = selOBJ.options[n].value;
}

//-->