var windowLoadWidth = "1024";
var windowLoadHeight = "768";
var menuArray = new Array("about","links","contact","party","menu","promotions");
var totalImages;
var imgWidth = 77;
var imgSetX = 374;
var each = 7;
var currentSet = 1;
var totalSet;
var firstImage;
var currentSection = "about";
var switchnum = 0;
var totalContentPanes;

function init(){
	YAHOO.util.Event.addListener(menuArray,'click',menuCallback);
	setTimeout(function(){
		window.resizeTo(windowLoadWidth,windowLoadHeight);
	},200); // resize the window
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function nextPanel(){
	currContentPos = YAHOO.util.Dom.getX('pane-container');
	//maxContentOffset = 354-(305*totalContentPanes);
	if(currentSection!="links" && currContentPos != -1781){
		moveBy('pane-container','-305');
		switchnum = switchnum + 1;
	}
}
function previousPanel(){
	currContentPos = YAHOO.util.Dom.getX('pane-container');
	if( switchnum != 0 && currContentPos != 354){
		moveBy('pane-container','305');
		switchnum = switchnum - 1;
	}
}
function menuCallback() {
	navigateTo(this.id);
}

function navigateTo(id){
	hideGallery();
	currentSection = id;
	var ele = YAHOO.util.Dom.getElementsByClassName(id,'div');
	var eleId = ele[0].id;
	var eleNum = eleId.substr(4,2);
	var xpos=-((parseInt(eleNum) * 305)-305);
	if(id == "links"){
		xpos += 305;
	}
	moveTo('pane-container',xpos+90);
}
function moveTo(target,xpoints){
	new Effect.Move(target, {x: xpoints, y:0, duration:0.7, 
						 delay:0.3, transition: Effect.Transitions.sinoidal, 
						 mode: 'absolute'});
}
function moveBy(target,xpoints){
	new Effect.Move(target, {x: xpoints, y:0, duration:1.0, 
							 delay:0.3, transition: Effect.Transitions.sinoidal});
}
function loadGallery(album,total,first){
	var panel = document.getElementById('img-panel');
	new Ajax.Updater(panel, 'include/gallery.php?galleryid='+album+'&total='+total, { method: 'get',onComplete:function(){
		moveTo(panel,50);
		totalImages = total;
		totalSet = Math.ceil(totalImages/each);
		setTimeout(function(){ viewImage(first); },1500);
	}});
}
function hideGallery(){
	var panel = document.getElementById('img-panel');
	moveTo(panel,-700);
}
function viewImage(file){
	var viewer  = document.getElementById('img-viewer');
	viewer.innerHTML = "<img src='images/"+file+"' height='370' align='center' />";
}
function previousImgSet(){
	var maxOffset = imgSetX;
	var currPos = YAHOO.util.Dom.getX('image-set');
	if(currentSet>1 && currentSet != 1){
		moveBy('image-set',570);
		currentSet--;
	}
}
function nextImgSet(){
	var maxOffset = imgSetX - (totalImages * 77);
	var currPos = YAHOO.util.Dom.getX('image-set');
	if(currentSet<totalSet && currentSet != totalSet){
		moveBy('image-set',-570);
		currentSet++;
	}
}
window.onload = init;