// rollover
var imageDir = "images/";
function changeImage(fileName,imageName) {
	document.images[imageName].src =  imageDir + fileName;
}


function funcNaviChg(){
	parent.navi.location.href = "search/menu.html";
}

/* default variables
------------------------------------------------------------*/
var agent = navigator.userAgent.toLowerCase();
var win = (agent.indexOf("windows") != -1);
var mac = (agent.indexOf("mac") != -1);
var opera = agent.indexOf("opera",0) != -1;
var ie = agent.indexOf("msie") != -1 && !opera;
var ie45 = agent.indexOf("msie 4.5") != -1;
var ns = agent.indexOf("netscape") != -1 && !opera;
var plugin;


/* flash plugin check
------------------------------------------------------------*/
function checkFlashPlugin(ver){
	plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]) ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
	if(plugin){
		plugin = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1)) >= ver;
	}else if(win && ie){
		ver = "ShockwaveFlash.ShockwaveFlash." + ver;
		document.open();
		document.write('<scr' + 'ipt language=VBScript\> \n');
		document.write('on error resume next \n');
		document.write('plugin = ( IsObject(CreateObject("' + ver + '")))\n');
		document.write('</scr' + 'ipt\> \n');
		document.close();
	}
	return plugin;
}


/* 一定期間New/Upマークを表示する
------------------------------------------------------------*/
function newUp(y, m, d, c) {
  delDay = 14; // 何日後に削除するか
  oldDay = new Date(y + "/" + m + "/" +d);
  newDay = new Date();
  d =(newDay - oldDay) / (1000 * 24 * 3600);
  if(d <= delDay) {
    // Newマーク
    if(c == "new") document.write("<IMG src='../images/new.gif' border='0' hspace='5'>");
  }
}