time=0;

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

var preflag = false;
function preloadimgs() {
	if (document.images) {
		nav01 = newimg("nav/nav02.gif");
		nav02 = newimg("nav/nav03.gif");
		nav03 = newimg("nav/nav04.gif");
		nav04 = newimg("nav/nav05.gif");
		nav05 = newimg("nav/nav10.gif");
		nav06 = newimg("nav/nav11.gif");
		nav07 = newimg("nav/nav12.gif");
		nav08 = newimg("nav/nav13.gif");
		nav09 = newimg("nav/nav14.gif");
		nav10 = newimg("nav/nav15.gif");
		nav11 = newimg("nav/nav21.gif");

		menu01 = newimg("menu/pd01_01over.gif");
		menu02 = newimg("menu/pd01_05over.gif");
		menu03 = newimg("menu/pd02_01over.gif");
		menu04 = newimg("menu/pd02_02over.gif");
		menu05 = newimg("menu/pd02_03over.gif");
		menu06 = newimg("menu/pd02_04over.gif");
		menu07 = newimg("menu/pd02_05over.gif");
		menu08 = newimg("menu/pd03_01over.gif");
		menu09 = newimg("menu/pd03_05over.gif");
		menu10 = newimg("menu/pd04_01over.gif");
		menu11 = newimg("menu/pd04_04over.gif");
		menu12 = newimg("menu/pd04_05over.gif");
		menu13 = newimg("menu/pd05_01over.gif");
		menu14 = newimg("menu/pd05_02over.gif");
		menu15 = newimg("menu/pd05_03over.gif");
		menu16 = newimg("menu/pd05_04over.gif");
		menu17 = newimg("menu/pd05_05over.gif");
		menu18 = newimg("menu/pd06_01over.gif");
		menu19 = newimg("menu/pd06_05over.gif");

		menu20 = newimg("menu/side01over.gif");
		menu21 = newimg("menu/side03over.gif");
		menu22 = newimg("menu/side06over.gif");
		menu23 = newimg("menu/side08over.gif");

		preflag = true;
	}
}

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

function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
bw=new checkBrowser()
//With nested layers for netscape, this function hides the layer if it's visible and visa versa
function showHide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	if(obj.visibility=='visible' || obj.visibility=='show') obj.visibility='hidden'
	else obj.visibility='visible'
}
function show(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.visibility='visible'
}

function hide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.visibility='hidden'
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}