if (document.images) {


	  var nav1n = new Image()
	  nav1n.src = "/images/lessons_home_up.gif"
	  var nav1a = new Image()
	  nav1a.src = "/images/lessons_home_over.gif"
	  
	   var nav2n = new Image()
	  nav2n.src = "/images/workshops_home_up.gif"
	  var nav2a = new Image()
	  nav2a.src = "/images/workshops_home_over.gif"
	  
	  var nav3n = new Image()
	  nav3n.src = "/images/community_home_up.gif"
	  var nav3a = new Image()
	  nav3a.src = "/images/community_home_over.gif"
	  
	  var nav4n = new Image()
	  nav4n.src = "/images/shop_home_up.gif"
	  var nav4a = new Image()
	  nav4a.src = "/images/shop_home_over.gif"
	  
	   var nav5n = new Image()
	  nav5n.src = "/images/sitemap_up.gif"
	  var nav5a = new Image()
	  nav5a.src = "/images/sitemap_over.gif"
	  
	   var nav6n = new Image()
	  nav6n.src = "/images/about_up.gif"
	  var nav6a = new Image()
	  nav6a.src = "/images/about_over.gif"
	  
	  var nav7n = new Image()
	  nav7n.src = "/images/contact_up.gif"
	  var nav7a = new Image()
	  nav7a.src = "/images/contact_over.gif"
	  
	  // go buttons for homepage
	  
	  var nav41n = new Image()
	  nav41n.src = "/images/go_home_up.gif"
	  var nav41a = new Image()
	  nav41a.src = "/images/go_home_over.gif"
	  
	  var nav42n = new Image()
	  nav42n.src = "/images/go_home_up.gif"
	  var nav42a = new Image()
	  nav42a.src = "/images/go_home_over.gif"
	  
	  var nav43n = new Image()
	  nav43n.src = "/images/go_home_up.gif"
	  var nav43a = new Image()
	  nav43a.src = "/images/go_home_over.gif"
	  
}

function act(imgName) {
	if (document.images) 
		document[imgName].src = eval(imgName + 'a.src')
}

function inact(imgName) {

	if (document.images)
	  document[imgName].src = eval(imgName + 'n.src')
}
	
	
	
// toggle display of blocks
function toggle(field) {
	if(document.getElementById) {
		
		if (document.getElementById(field + '_o').style.display=="block"){
			document.getElementById(field + '_o').style.display="none";
			document.getElementById(field + '_c').style.display="block";
			
		} else {
			document.getElementById(field + '_c').style.display="none";
			document.getElementById(field + '_o').style.display="block";
		}
	}
}

	// -->