var ver4 = (navigator.appVersion.charAt(0) >= "4");
var NN4  = ver4 && (navigator.appName == "Netscape");
var IE4 = ver4 && (navigator.appName.charAt(0) == "M");
var NN3 = ((navigator.appVersion.charAt(0) == "3") && (navigator.appName == "Netscape"));


function In(nam,num) {
        if(NN3 || NN4 || IE4) document.images[nam].src = menu[num].src;
}

function Out(nam,num) {
        if(NN3 || NN4 || IE4) document.images[nam].src = menu[num].src;
}    

if(NN3 || NN4 || IE4){
        var menu = new Array();
        menu[0] = new Image();  menu[0].src = "/imgs/head_menu_top_b.gif";
        menu[1] = new Image();  menu[1].src = "/imgs/head_menu_top.gif";
        menu[2] = new Image();  menu[2].src = "/imgs/head_menu_flow_b.gif";
        menu[3] = new Image();  menu[3].src = "/imgs/head_menu_flow.gif";
        menu[4] = new Image();  menu[4].src = "/imgs/head_menu_yakkan_b.gif";
        menu[5] = new Image();  menu[5].src = "/imgs/head_menu_yakkan.gif";
        menu[6] = new Image();  menu[6].src = "/imgs/head_menu_company_b.gif";
        menu[7] = new Image();  menu[7].src = "/imgs/head_menu_company.gif";
        menu[8] = new Image();  menu[8].src = "/imgs/head_menu_map_b.gif";
        menu[9] = new Image();  menu[9].src = "/imgs/head_menu_map.gif";
}

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_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_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];}
}


if(document.getElementById){
	document.writeln('<style type="text/css" media="all">');
	document.writeln('<!--');
	document.writeln('.sidehide{display:none}');
	document.writeln('-->');
	document.writeln('</style>');
       }
function showHide(id){
	var disp = document.getElementById(id).style.display;
	if(disp == "block"){
		document.getElementById(id).style.display = "none";
	}
       else{
		document.getElementById(id).style.display = "block";
	}
	return false;
       }
function hideShow(id){
	var disp = document.getElementById(id).style.display;
	if(disp == "none"){
		document.getElementById(id).style.display = "block";
	}
       else{
		document.getElementById(id).style.display = "none";
	}
	return false;
       }