/**
*
* PRART_JS_FILE For www.tokyustay.co.jp
* 
**/


/* default variables
============================================================*/

window.onerror = null;

var d = document;

var isIE = d.all;            // IE
var isN6 = d.getElementById; // N6
var isN4 = d.layers;         // N4


/* client variables
============================================================*/

var agent = navigator.userAgent.toLowerCase();

var win = (agent.indexOf("windows") != -1);
var mac = (agent.indexOf("mac") != -1);
var gecko = agent.indexOf("gecko") != -1;
var opera = agent.indexOf("opera",0) != -1;
var safari = agent.indexOf("safari") != -1;
var ie = agent.indexOf("msie") != -1 && !opera;
var ie5win = (agent.indexOf("msie 5.") != -1) && win;
var ie6win = (agent.indexOf("msie 6.") != -1) && win;
var ie7win = (agent.indexOf("msie 7.") != -1) && win;
var ie5mac = (agent.indexOf("msie") != -1) && mac;
var ns = agent.indexOf("netscape") != -1 && !opera;
var ns6 = (agent.indexOf("netscape6/6.") != -1) && ns;


/* PNG Image for IE5.x,6.x
============================================================*/
d.open();
if(ie6win){ d.write('<script type="text/javascript" src="/matrix/js/DD_belatedPNG.js"></script>')}
d.close();