//---------nikoniko---------

if (document.images) {
	var chatri=new Array();
	chatri[0]=new Image(),chatri[0].src="../img_general/1x1blank.gif";
	chatri[1]=new Image(),chatri[1].src="../img_general/peace.gif";
}

function changeTri(name,num) {
	if (document.images) document.images[name].src=chatri[num].src;
}

//---------backnext---------

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		backnext_piston004 = newImage("../img_general/arrow-piston2.gif");
		backnext_piston005 = newImage("../img_general/arrow-piston3.gif");
		preloadFlag = true;
	}
}

//---------pulldown---------

function pdJump(fName,eName) {
	var goNum=document.forms[fName].elements[eName].selectedIndex;
	var goStr=document.forms[fName].elements[eName].options[goNum].value;
	var goURL=goStr.substring(0,goStr.lastIndexOf(","));
	var goFrame=goStr.substring(goStr.lastIndexOf(",")+1,goStr.length);
	if (goURL!="defult") {
		if (goFrame=="_top") top.location.href=goURL;
		else if (goFrame=="_self") self.location.href=goURL;
		else if (goFrame=="_blank") {
			window.open(goURL,"","toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,favorites=yes,resizable=yes");
		}
		else if (parent.frames[goFrame]) parent.frames[goFrame].location.href=goURL;
	}
}


if (top == self) self.location.href="http://www.piston-kun.com/top/";

document.write("<img src='http://www.piston-kun.com/cgi/acc/acclog.cgi?");
document.write("referrer="+document.referrer+"&");
document.write("width="+screen.width+"&");
document.write("height="+screen.height+"&");
document.write("color="+screen.colorDepth+"'>");