// show-hide help

function setStyles() {
		document.getElementById('a1').style.display = "none";
		document.getElementById('a2').style.display = "none";
		document.getElementById('a3').style.display = "none";
		document.getElementById('a4').style.display = "none";
		document.getElementById('a5').style.display = "none";
		document.getElementById('a6').style.display = "none";
		document.getElementById('a7').style.display = "none";
		document.getElementById('a8').style.display = "none";
		document.getElementById('a9').style.display = "none";
		document.getElementById('a10').style.display = "none";
		document.getElementById('a11').style.display = "none";
		document.getElementById('a12').style.display = "none";
		document.getElementById('a13').style.display = "none";
		document.getElementById('a14').style.display = "none";
		document.getElementById('a15').style.display = "none";
		document.getElementById('a16').style.display = "none";
		document.getElementById('a17').style.display = "none";
		document.getElementById('a18').style.display = "none";
		document.getElementById('a19').style.display = "none";
}


var subs_array = new Array("a1","a2","a3","a4","a5","a6","a7","a8","a9","a10","a11","a12","a13","a14","a15","a16","a17","a18","a19");// Put the id's of your hidden divs in this array

function displaySubs(the_sub){
	if (document.getElementById(the_sub).style.display==""){
	document.getElementById(the_sub).style.display = "none";
	return
  }
  for (i=0;i<subs_array.length;i++){
	var my_sub = document.getElementById(subs_array[i]);
	my_sub.style.display = "none";

	}
  	document.getElementById(the_sub).style.display = "";

  }


var arrow_array = new Array("a1i","a2i","a3i","a4i","a5i","a6i","a7i","a8i","a9i","a10i","a11i","a12i","a13i","a14i","a15i","a16i","a17i","a18i","a19i" );// Put the id's of your hidden divs in this array

function changeArrow (the_arrow) {
	if (document.getElementById(the_arrow).style.backgroundImage=="url(/images/less.gif)"){
	document.getElementById(the_arrow).style.backgroundImage = "url(/images/more.gif)";
	return
  }
  for (i=0;i<arrow_array.length;i++){
	var my_arrow = document.getElementById(arrow_array[i]);
	my_arrow.style.backgroundImage = "url(/images/more.gif)";

	}
  	document.getElementById(the_arrow).style.backgroundImage = "url(/images/less.gif)";
	
}