var active = null;
var section = null;
var sectiontime = 1000;

var initrender = function() {
	if (!active) {
		$("#building").fadeTo("slow", 0.13);
		setTimeout('$("#render").fadeIn("slow")',500);
		active = true;
	}
}

var cleanup = function() {
	if (section) {
		$('#viper').fadeOut("slow")
		$('#gglp').fadeOut("slow")
		$('#walltech').fadeOut("slow")
		$('#aircrete').fadeOut("slow")
		$('#tuscanypainting').fadeOut("slow")
		$('#tuscanydrywall').fadeOut("slow")
		$('#section1').fadeOut("slow")
		$('#section2').fadeOut("slow")
		$('#section3').fadeOut("slow")
		$('#section4').fadeOut("slow")
		$('#section5').fadeOut("slow")
		$('#section6').fadeOut("slow")
		sectiontime = 0;
	}
}

$("#button-s1")
	.click(function(){
		if (section != 1) {
			initrender();
			cleanup();
			section = 1;
			setTimeout('$("#gglp").fadeIn("slow")',sectiontime);
			$("#gglp").css('z-index',5000);
			$("#gglp").fadeTo("slow", 0.85);
			setTimeout('$("#section4").fadeIn("slow")',sectiontime+300);
			setTimeout('$("#section5").fadeIn("slow")',sectiontime+600);
		}
	})

$("#button-s2")
	.click(function(){
		if (section != 2) {
			initrender();
			cleanup();
			section = 2;
			setTimeout('$("#walltech").fadeIn("slow")',sectiontime);
			$("#walltech").css('z-index',5000);
			$("#walltech").fadeTo("slow", 0.85);
			setTimeout('$("#section4").fadeIn("slow")',sectiontime+300);
			setTimeout('$("#section6").fadeIn("slow")',sectiontime+600);
		}
	})

$("#button-s4")
	.click(function(){
		if (section != 4) {
			initrender();
			cleanup();
			section = 4;
			setTimeout('$("#viper").fadeIn("slow")',sectiontime);
			$("#viper").css('z-index',5000);
			$("#viper").fadeTo("slow", 0.85);
			setTimeout('$("#section1").fadeIn("slow")',sectiontime+300);
			setTimeout('$("#section2").fadeIn("slow")',sectiontime+600);
			setTimeout('$("#section3").fadeIn("slow")',sectiontime+900);
			setTimeout('$("#section4").fadeIn("slow")',sectiontime+1200);
		}
	})

$("#button-s5")
	.click(function(){
		if (section != 5) {
			initrender();
			cleanup();
			section = 5;
			setTimeout('$("#aircrete").fadeIn("slow")',sectiontime);
			$("#aircrete").css('z-index',5000);
			$("#aircrete").fadeTo("slow", 0.85);
			setTimeout('$("#section4").fadeIn("slow")',sectiontime+300);
		}
	})

$("#button-s6")
	.click(function(){
		if (section != 6) {
			initrender();
			cleanup();
			section = 6;
			setTimeout('$("#tuscanypainting").fadeIn("slow")',sectiontime);
			$("#tuscanypainting").css('z-index',5000);
			$("#tuscanypainting").fadeTo("slow", 0.85);
			setTimeout('$("#section4").fadeIn("slow")',sectiontime);
		}
	})


$("#button-s7")
	.click(function(){
		if (section != 7) {
			initrender();
			cleanup();
			section = 7;
			setTimeout('$("#tuscanydrywall").fadeIn("slow")',sectiontime);
			$("#tuscanydrywall").css('z-index',5000);
			$("#tuscanydrywall").fadeTo("slow", 0.85);
			setTimeout('$("#section4").fadeIn("slow")',sectiontime+300);
		}
	})