var step = 1;
function gotoStep(nb){

	document.getElementById("step"+step+"Content").style.display = "none";
	document.getElementById("step"+nb+"Content").style.display = "block";
	
	var curIcon = document.getElementById("step"+step);
	var newIcon = document.getElementById("step"+nb);
	curIcon.src = "images/tour/step"+step+"Off.png";
	curIcon.style.border = "0";
	newIcon.src = "images/tour/step"+nb+".png";
	newIcon.style.border = "#b3580e solid 1px";

			step = nb;
	}
	
function overIcon(nb){
	if(nb == step) return;
	document.getElementById("step"+nb).src = "images/tour/step"+nb+".png";
	}
function outIcon(nb){
	if(nb == step) return;
	document.getElementById("step"+nb).src = "images/tour/step"+nb+"Off.png";
	}