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 dispFileIntoElement(url,elm){
	var xmlhttp = createXMLHttpRequest();
	if (xmlhttp) {
		xmlhttp.open("GET", url, false);
		xmlhttp.send(null);
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			document.getElementById(elm).innerHTML = xmlhttp.responseText;
		}
	}
	return false;
}

function getFile() {
	var xmlhttp = createXMLHttpRequest();
	var filename = "/all_thread.txt";
	if (xmlhttp) {
		xmlhttp.open("GET", filename, false);
		xmlhttp.send(null);
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			document.getElementById("all_thread").innerHTML = xmlhttp.responseText;
		}
	}
	return null;
}

function getIP(){
	var xmlhttp = createXMLHttpRequest();
	if (xmlhttp) {
		xmlhttp.open("GET", '/cgi-bin/checkIP.cgi', false);
		xmlhttp.send(null);
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			return xmlhttp.responseText;
		}
	}
	return '';
}

function createXMLHttpRequest() {
   return this.XMLHttpRequest ? 
      new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
}

function jump(obj) {
  var url = obj.options[obj.selectedIndex].value;
  location.href = url;
}

function submitRes(elm) {
  if(elm.name.value == '') {
    alert("名前を入力または匿名を選択してください。");
    return false;
  } else if(elm.com.value == '') {
    alert("本文を入力してください。");
    return false;
  } else {
//    var hostName = getIP();
    return confirm("投稿します。誤字脱字・書き間違いはありませんか？");
    elm.submit.disabled = true;
  }
}

function submitThread(elm) {
  if(elm.name.value == '') {
    alert("名前を入力または匿名を選択してください。");
    return false;
  } else if(elm.com.value == '') {
    alert("本文を入力してください。");
    return false;
  } else {
    var hostName = getIP();
    return confirm("投稿してもよろしいですか？");
  }
}

function selectTokumei(elm) {
  if(elm.tokumei.options[elm.tokumei.selectedIndex].value != '#') {
    elm.name.value = elm.tokumei.options[elm.tokumei.selectedIndex].value;
  }
}

function openThreadMakingForm(){
  if (document.getElementById("thread_making_form").style.display == "block") {
    document.getElementById("thread_making_form").style.display = "none";
  } else {
    document.getElementById("thread_making_form").style.display = "block";
  }
}

function openMibbsMain(){
    document.getElementById("mibbs_main").style.display = "block";
}

function switchSouba(id){
	if(id == 'souba_joho'){
		document.getElementById("souba_joho").style.display = "none";
	} else {
		document.getElementById("souba_joho").style.display = "block";
	}
}

function closeSouba(){
	document.getElementById("souba_joho").style.display = "none";
}

function randomBbs( ) {
var r ;
var xx = new Array( ) ;

xx.push( '<iframe src="http://www.next-futures.com/rssview/225.html" border="0" width="600" height="190" scrolling="no" margin="0" frameborder="0"></iframe>' ) ;
xx.push( '<iframe src="http://www.next-futures.com/rssview/beginner.html" border="0" width="600" height="190" scrolling="no" margin="0" frameborder="0"></iframe>' ) ;
xx.push( '<iframe src="http://www.next-futures.com/rssview/platinum.html" border="0" width="600" height="190" scrolling="no" margin="0" frameborder="0"></iframe>' ) ;
xx.push( '<iframe src="http://www.next-futures.com/rssview/corn.html" border="0" width="600" height="190" scrolling="no" margin="0" frameborder="0"></iframe>' ) ;

r = Math.floor( Math.random( ) * xx.length ) ;
document.write( xx[r] ) ;
}