function 
	sel(bit) {	
		var profile1 = document.getElementById("profile_1");
		var profile2 = document.getElementById("profile_2");
		var profile3 = document.getElementById("profile_3");
		var profile4 = document.getElementById("profile_4");
		var profile5 = document.getElementById("profile_5");
		
		var link1 = document.getElementById("link_1");
		var link2 = document.getElementById("link_2");
		var link3 = document.getElementById("link_3");
		var link4 = document.getElementById("link_4");
		var link5 = document.getElementById("link_5");
		
		switch (bit) {
			case 1:
				link1.className = "chosen";
				link2.className = "none";
				link3.className = "none";
				link4.className = "none";
				link5.className = "none";
				profile1.style.display = "block";
				profile2.style.display = "none";
				profile3.style.display = "none";
				profile4.style.display = "none";
				profile5.style.display = "none";
			break;
			case 2:
				link1.className = "none";
				link2.className = "chosen";
				link3.className = "none";
				link4.className = "none";
				link5.className = "none";
				profile1.style.display = "none";
				profile2.style.display = "block";
				profile3.style.display = "none";
				profile4.style.display = "none";
				profile5.style.display = "none";
			break;
			case 3:
				link1.className = "none";
				link2.className = "none";
				link3.className = "chosen";
				link4.className = "none";
				link5.className = "none";
				profile1.style.display = "none";
				profile2.style.display = "none";
				profile3.style.display = "block";
				profile4.style.display = "none";
				profile5.style.display = "none";
			break;
			case 4:
				link1.className = "none";
				link2.className = "none";
				link3.className = "none";
				link4.className = "chosen";
				link5.className = "none";
				profile1.style.display = "none";
				profile2.style.display = "none";
				profile3.style.display = "none";
				profile4.style.display = "block";
				profile5.style.display = "none";
			break;
			case 5:
				link1.className = "none";
				link2.className = "none";
				link3.className = "none";
				link4.className = "none";
				link5.className = "chosen";
				profile1.style.display = "none";
				profile2.style.display = "none";
				profile3.style.display = "none";
				profile4.style.display = "none";
				profile5.style.display = "block";
			break;
	}
}