a1 = '';a2 = '';a3 = '';a1x = '';a2x = '';a3x = '';

function addMY() {
	a1 = document.getElementById("a1").value;
	a1x = document.getElementById("a1-x");
	a1x.innerHTML = '<strong>Your addition:</strong><br />' + a1 
	+ '<br /><input type="button" value="Change Mystery Ending" name="add1"'
	+ 'id="add1" tabindex="1" onclick="changeMY();" />'
	+ '<input type="button"  id="pr1" value="Print Story" onclick="print();" />';
}

function changeMY() {
	a1x.innerHTML = '<textarea cols="40" rows="10" tabindex="1" id="a1" name="a1">' + a1 + 
	'</textarea><input type="button" value="Add Mystery Ending" name="add1" id="add1"'
	+ 'tabindex="1" onclick="addMY();" />';
}

function addSF() {
	a2 = document.getElementById("a2").value;
	a2x = document.getElementById("a2-x");
	a2x.innerHTML = '<strong>Your addition:</strong><br />' + a2 
	+ '<br /> <input type="button" value="Change Science Fiction Ending"'
	+ 'name="add2" id="add2" tabindex="1" onclick="changeSF();" />'
	+ '<input type="button"  id="pr2" value="Print Story" onclick="print();" />';
}

function changeSF() {
	a2x.innerHTML = '<textarea cols="40" rows="10" tabindex="1" id="a2" name="a2">' 
	+ a2 
	+ '</textarea><input type="button" value="Add Science Fiction Ending" name="add2" id="add2"'
	+ 'tabindex="1" onclick="addSF();" />';
}


function addAD() {
	a3 = document.getElementById("a3").value;
	a3x = document.getElementById("a3-x");
	a3x.innerHTML = '<strong>Your addition:</strong><br />' + a3 
	+ '<br /> <input type="button" value="Change Adventure Ending"'
	+ 'name="add3" id="add3" tabindex="1" onclick="changeAD();" />'
	+ '<input type="button" value="Print Story" id="pr3" onclick="print();" />';
}

function changeAD() {
	a3x.innerHTML = '<textarea cols="40" rows="10" tabindex="1" id="a3" name="a3">' 
	+ a3 
	+ '</textarea><input type="button" value="Add Adventure Ending" name="add3" id="add3"'
	+ 'tabindex="1" onclick="addAD();" />';
}