function resetem(){
	document.getElementById("pic1").style.zIndex = 0;
	document.getElementById("po1").src = "images/bike1.png";
	document.getElementById("pic2").style.zIndex = 0;
	document.getElementById("po2").src = "images/bike2.png";
	document.getElementById("pic3").style.zIndex = 0;
	document.getElementById("po3").src = "images/bike3.png";
	document.getElementById("pic4").style.zIndex = 0;
	document.getElementById("po4").src = "images/bike4.png";
	document.getElementById("pic5").style.zIndex = 0;
	document.getElementById("po5").src = "images/bike5.png";
}

function move(pId) {
	poId = "po" + pId;
	poName = "images/bike"+pId+"hl.png";
	pId = "pic" + pId;
	document.getElementById(pId).style.zIndex = 10;
	document.getElementById(poId).src = poName;
}