var DHTML = (document.getElementById || document.all || document.layers);

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}

var delayMenu = 500;	// how long a menu should hang when mouse has moved on
var over = 'no';
var lastOne = ' ';

function onMenu(obj)
{
	if (!DHTML) return;
	over ='yes'
	var x = new getObj(obj);
	
	if (lastOne != ' ')  {
		lastOne.style.visibility = 'hidden';
	}
		x.style.visibility = 'visible';

}

function offMenu()
{
	if (!DHTML) return;
	if(over == 'no'){
		lastOne.style.visibility = 'hidden';
	}
}

function navOver(){
	over = 'yes';
}

function navOut(pic){
	lastOne = new getObj(pic);
	over = 'no';
	setTimeout("offMenu()", delayMenu);
}

var texttop = 400;

function move(amount)
{
	if (!DHTML) return;
	var x = new getObj('text');
	texttop += amount;
	x.style.top = texttop;
}