// BROWSER DETECT //

var dom = document.getElementById ? true:false;
var nn4 = document.layers ? true:false;
var ie4 = document.all ? true:false;

// SHOW & HIDE BOXES 

var boxant = 'LyrBox01';

function show(box){

	if(ie4){
		document.all[boxant].style.visibility = "hidden";
		document.all[box].style.visibility = "visible";
	} else if(nn4){
		document.layers[boxant].visibility = "hidden";
		document.layers[box].visibility = "visible";
	} else if(dom){
		document.getElementById(boxant).style.visibility = "hidden";
		document.getElementById(box).style.visibility = "visible";
	}
	
	boxant = box;

}

function hide(box){

	if(ie4){
		document.all[box].style.visibility = "hidden";
	} else if(nn4){
		document.layers[box].visibility = "hidden";
	} else if(dom){
		document.getElementById(box).style.visibility = "hidden";
	}
	
}