<!--
//	----------------------------------------------------------------------------------
//				COPYRIGHT NOTICE							c. Keith Fitchett 2007
//	Designed and implemented by Keith Fitchett
//	----------------------------------------------------------------------------------
var intval;
var opacitylevel;
var opacityspeed = 50;	//	larger = slower
var boxkount = 1;

function seetext(onoff)
{
	var text1 = document.getElementById("tb1");
	text1.style.display = onoff;
	var text2 = document.getElementById("tb2");
	text2.style.display = onoff;
	var text3 = document.getElementById("tb3");
	text3.style.display = onoff;
}


function swapbox(box1,box2)
{
	var b1 = document.getElementById(box1);
	b1.style.display='none';
	var b2 = document.getElementById(box2);
	b2.style.display='block';
}

function reveal_box(boxname)
{
	// alert("xx");
	opacitylevel=0;
	//	intval = window.setInterval("make_opaque('tb1')",40);
	var evalstring = "intval = window.setInterval(\"make_opaque('" + boxname + "')\",opacityspeed)" ;
	eval (evalstring);
}

function make_opaque(boxname)
{
	// alert("Opacity of " + boxname + " = " + opacitylevel);
	var boxref = document.getElementById(boxname);
	if ( opacitylevel<90)
	{
		opacitylevel++;
		boxref.style.MozOpacity=opacitylevel/100;
		boxref.style.opacity=opacitylevel/100;
		boxref.filters.alpha.opacity=opacitylevel; //IE4 syntax
	}
	else
	{
		window.clearInterval(intval);
		boxkount++;
		if (boxkount<5) { show_boxes(); }
	}
}

//   end hiding the script -->