//Menu Functions
var timeOut = null;
var isOn = false;
	
function show(divID) {
	if (timeOut) clearTimeout(timeOut);
	if (isOn) killAll();
	document.getElementById(divID).style.visibility = 'visible';
	isOn = true;
}

function hide(divID) {
	document.getElementById(divID).style.visibility = 'hidden';
	timeOut = 0;
	isOn = false;
}

function killAll(){
	for(var i=1; i<4; i++) {
        eval('hide(\'menu' + i + '\')');
	}
}

function sleephide(fnname) {
	timeOut = setTimeout('hide(\'' + fnname + '\')',400);
}

//Popup

function popWin(url,winname,w,h,scroll){
	var LeftPosition = (screen.width)?(screen.width-w)/2:100;
	var TopPosition = (screen.height)?(screen.height-h)/2:100;
	settings = 'width='+ w +',height='+ h +',top='+ TopPosition +',left='+ LeftPosition +',scrollbars='+ scroll +',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win = window.open(url, winname, settings);
	win.focus();
}

//Mouse over functions

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 preload() {
	one = newImage("images/but_joinmailing_on.gif");
	two = newImage("images/but_bookonline_off.gif");
	preloadflag = true;
}

//slideshow functions

duration = 4;
ads=[]; 
ct=0;

function switchImg() {
	if (document.images) {
		var n=(ct+1)%src.length;
		if (ads[n] && (ads[n].complete || ads[n].complete==null)) {
			document["simg"].src = ads[ct=n].src;
		}
		ads[n=(ct+1)%src.length] = new Image;
		ads[n].src = 'img/user/' + src[n];
		setTimeout("switchImg()",duration*1000);
	}
}

function goArc(lnk) {
	if (lnk != ""){
		//alert(id);
		location.href = '/' + lnk;
	}
}

function goCat(cid)	{
	if (cid != ""){
		//alert(id);
		location.href = '/blog.asp?cID=' + cid;
	}
}