var current = "home_content";
var previous;


function popUp(selected){
	previous = current;
	current = selected;
	if (current == "home_content")	{
		hideBtn(previous)
	}
	else if (previous == "home_content")	{
		showBtn(current)
	}
	else if(selected === previous){}
	else{	
		hideBtn(previous)
		showBtn(current)
	}
}

function showBtn(){
	document.getElementById(current).style.visibility = "visible";
}
function hideBtn(){
	document.getElementById(previous).style.visibility = "hidden";
}

function loaded(){
	Effect.Fade('preloader', { duration: 1.0 });
}