if (document.images) {

	  var sidebar_workshopsn = new Image()
	  sidebar_workshopsn.src = "/images/common/workshops_events.gif"
	  var sidebar_workshopsa = new Image()
	  sidebar_workshopsa.src = "/images/common/workshops_events_over.gif"
	
	  var sidebar_communityn = new Image()
	  sidebar_communityn.src = "/images/common/community.gif"
	  var sidebar_communitya = new Image()
	  sidebar_communitya.src = "/images/common/community_over.gif"
	  
	  var sidebar_students_teachersn = new Image()
	  sidebar_students_teachersn.src = "/images/common/students_teachers.gif"
	  var sidebar_students_teachersa = new Image()
	  sidebar_students_teachersa.src = "/images/common/students_teachers_over.gif"
	  
	  var sidebar_windforalln = new Image()
	  sidebar_windforalln.src = "/images/common/windforall.gif"
	  var sidebar_windforalla = new Image()
	  sidebar_windforalla.src = "/images/common/windforall_over.gif"
	  
	  var sidebar_shopn = new Image()
	  sidebar_shopn.src = "/images/common/shop.gif"
	  var sidebar_shopa = new Image()
	  sidebar_shopa.src = "/images/common/shop_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";
		}
	}
}

	// -->