//Link Tables
//var nav1 = document.getElementById("nav1");
var nav2 = document.getElementById("nav2");
var nav3 = document.getElementById("nav3");
var nav4 = document.getElementById("nav4");
var nav5 = document.getElementById("nav5");
var nav6 = document.getElementById("nav6");

//Record Links
//var content_nav1 = nav1.innerHTML;
var content_nav2 = nav2.innerHTML;
var content_nav3 = nav3.innerHTML;
var content_nav4 = nav4.innerHTML;
var content_nav5 = nav5.innerHTML;
var content_nav6 = nav6.innerHTML;
var content_empty = " ";

//display links
function close_all(){
	
	//Remove Links
//	nav1.innerHTML = content_empty;
	nav2.innerHTML = content_empty;
	nav3.innerHTML = content_empty;
	nav4.innerHTML = content_empty;
	nav5.innerHTML = content_empty;
	nav6.innerHTML = content_empty;

}

function nav_open(num){
	
	close_all();
	
	switch(num){
	
		case 1:
		//	table = nav1;
		//	content = content_nav1;
			break;

		case 2:
			table = nav2;
			content = content_nav2;
			break;

		case 3:
			table = nav3;
			content = content_nav3;
			break;

		case 4:
			table = nav4;
			content = content_nav4;
			break;

		case 5:
			table = nav5;
			content = content_nav5;
			break;

		case 6:
			table = nav6;
			content = content_nav6;
			break;

	}
	
	table.innerHTML = content;
	
}

close_all();