// JavaScript Document
function nav_left(d){
	document.getElementById("div1").style.display="none"
	document.getElementById("nav1").style.background="url(images/a2.jpg) no-repeat"
	document.getElementById("div2").style.display="none"
	document.getElementById("nav2").style.background="url(images/a2.jpg) no-repeat"
	document.getElementById("div3").style.display="none"
	document.getElementById("nav3").style.background="url(images/a2.jpg) no-repeat"
	document.getElementById("div4").style.display="none"
	document.getElementById("nav4").style.background="url(images/a2.jpg) no-repeat"
	document.getElementById("div"+d).style.display=""
	document.getElementById("nav"+d).style.background="url(images/a1.jpg) no-repeat"
}
function top_nav(a){
	document.getElementById("top1").style.display="none"
	document.getElementById("aa1").style.background="none"
	document.getElementById("top2").style.display="none"
	document.getElementById("aa2").style.background="none"
	document.getElementById("top3").style.display="none"
	document.getElementById("aa3").style.background="none"
	document.getElementById("top4").style.display="none"
	document.getElementById("aa4").style.background="none"
	document.getElementById("top5").style.display="none"
	document.getElementById("aa5").style.background="none"

	document.getElementById("top"+a).style.display=""
	document.getElementById("aa"+a).style.background="url(images/index_r3_c8.gif) on-repeat"
}