/// <reference path="jquery-intellisense.js"/>
//$(document).ready(function(){
//    $("#head").hide();
//    $("#head").fadeIn(750);
//});
// background
function altBack() {
    currentBack = currentBack + 1;
    if (currentBack >= backCount) {currentBack = 0}
    fadeBack(backImg[currentBack], 500, 500);
  
}
function fadeFirst(url, portfolio) {
    // fade in (fade out)
     jQuery("<img>").attr("src", "../" + url).load(function(){ 
    
        //set as current back before do fade in
        $("#slide").hide();
        $("#slide").css("background-image", "url('../" + url + "')");   
        $("#slide").fadeIn(400);
        if (portfolio == true) {$("#portfolio-table").fadeIn(400);}
        $("#portfolio-loader").hide();
    });
}

function fadeBack(url, secout, secin) {
    // fade in (fade out)
    jQuery("<img>").attr("src", "../" + url).ready(function(){ 
   
        //set as current back before do fade in
        $("#slide").fadeOut(secout, function(){
            $("#slide").css("background-image", "url('../" + url + "')");   
            $("#slide").fadeIn(secin);
        });

    });
}

function page(num) {
    if (!$("#slide").is(":animated"))
    {
        currentBack = num;
        if (currentBack >= backCount) {currentBack = 0}
        fadeBack(backImg[currentBack], 150, 350);
        activepage(currentBack);
    }
}
function next()
{
    if (!$("#slide").is(":animated"))
    {
        currentBack = currentBack + 1;
        if (currentBack >= backCount) {currentBack = 0}
        fadeBack(backImg[currentBack], 150, 350);
        activepage(currentBack);    
    }
}
function previous()
{
    if (!$("#slide").is(":animated"))
    {
        currentBack = currentBack - 1;
        if (currentBack <= -1) {currentBack = backCount - 1}
        fadeBack(backImg[currentBack], 150, 350);  
        activepage(currentBack);  
    }  
}
function activepage(num)
{
    $(".pagelink").attr("class", "pagelink");
    $("#pagelink" + num).attr("class", "pagelink active");
}