var d = document;

function popWin(URL,ID,WIDTH,HEIGHT,RESIZE,SCROLL) {
    ID = window.open(URL,ID,'width='+WIDTH+',height='+HEIGHT+',resizable='+RESIZE+',scrollbars='+SCROLL+',menubar=no,toolbar=no,location=no,directories=no,status=no');
	var clientWidth = screen.availWidth;
	var clientHeight = screen.availHeight;
	var xPos = (clientWidth - WIDTH)/2;
	var yPos = (clientHeight - HEIGHT)/2;
	ID.moveTo(xPos,yPos);
}

function parentWin(URL){
	opener.location.href=URL;	
}

function over(imgName, img_src) {
	d[imgName].src=img_src;
}

function out(imgName, img_src) {
	d[imgName].src=img_src;
}

function preLoadMyImages() {
	arg=preLoadMyImages.arguments;
	imgs=new Array();
	i=imgs.length
	for(i=0; i<arg.length; i++)
	if (arg[i]!=0) {
		imgs[i]=new Image;
		imgs[i].src=location.host + arg[i];
	}
}

// photo gallery stuff
var totalImgs = 13;
var imgNum = 1;

function nextBack(dir) {
	if (imgNum == totalImgs && dir > 0) {
		imgNum = 1;
	} else if (dir > 0) {
		imgNum++
	} else if (dir < 0 && imgNum != 1) {
		imgNum--
	} else {
		imgNum = totalImgs;
	}
	imgNum = parseInt(imgNum - 1);
	swapImg(imgNum);
}

function swapImg(img) {
	d.mainImg.src = "img/photos/images/" + (parseInt(img) + 1) + ".jpg";
	imgNum = parseInt(img)+1;
}