var activeSlide=new Array();

function loadSlide(projectID,screenshot) {
	if (activeSlide[projectID] != screenshot) {
   	$("#slideNav"+projectID+"_"+activeSlide[projectID]).removeClass("activeSlideButton");
    $("#portfolioSlide"+projectID+"_"+activeSlide[projectID]).fadeOut(250);
    activeSlide[projectID]=screenshot;
    
   	$("#slideNav"+projectID+"_"+screenshot).addClass("activeSlideButton");

    appearTimer=window.setTimeout(function() {
      $("#portfolioSlide"+projectID+"_"+screenshot).fadeIn(300);
    },350);
	}
}

function nextSlide(projectID) {
	var elID='portfolioSlide'+projectID+'_'+(activeSlide[projectID]+1);
	if (document.getElementById(elID)) {
		loadSlide(projectID,activeSlide[projectID]+1);
	} else {
		loadSlide(projectID,1);
	}
}