// JavaScript Document
var tID=1;	
	
function setTab(ID){
	document.getElementById("nav_title" + ID).style.background="url(img/nav_hover.jpg) center 0 no-repeat";
	document.getElementById("nav" + ID).style.display="block";
if(ID!=tID){
document.getElementById("nav" + ID).style.display="block";
document.getElementById("nav" + tID).style.display="none";

document.getElementById("nav_title" + ID).style.background="url(img/nav_hover.jpg) center 0 no-repeat";
document.getElementById("nav_title" + tID).style.background="none";

tID=ID;
}

}


function outTab(ID){	
	document.getElementById("nav" + ID).style.display="none";
	document.getElementById("nav_title" + ID).style.background="none";
	tID=ID;
	}