function swapPage1(){
	var page1 = document.getElementById("page1");
	var page2 = document.getElementById("page2");
	var page3 = document.getElementById("page3");
	var page4 = document.getElementById("page4");
	var page5 = document.getElementById("page5");

	page1.style.visibility = 'visible';
	page2.style.visibility = 'hidden';
	page3.style.visibility = 'hidden';
	page4.style.visibility = 'hidden';
	page5.style.visibility = 'hidden';
}
function swapPage2(){
	var page1 = document.getElementById("page1");
	var page2 = document.getElementById("page2");
	var page3 = document.getElementById("page3");
	var page4 = document.getElementById("page4");
	var page5 = document.getElementById("page5");
	
	page1.style.visibility = 'hidden';
	page2.style.visibility = 'visible';
	page3.style.visibility = 'hidden';
	page4.style.visibility = 'hidden';
	page5.style.visibility = 'hidden';
}

function swapPage3(){
	var page1 = document.getElementById("page1");
	var page2 = document.getElementById("page2");
	var page3 = document.getElementById("page3");
	var page4 = document.getElementById("page4");
	var page5 = document.getElementById("page5");
	
	page1.style.visibility = 'hidden';
	page2.style.visibility = 'hidden';
	page3.style.visibility = 'visible';
	page4.style.visibility = 'hidden';
	page5.style.visibility = 'hidden';
}
function swapPage4(){
	var page1 = document.getElementById("page1");
	var page2 = document.getElementById("page2");
	var page3 = document.getElementById("page3");
	var page4 = document.getElementById("page4");
	var page5 = document.getElementById("page5");

	page1.style.visibility = 'hidden';
	page2.style.visibility = 'hidden';
	page3.style.visibility = 'hidden';
	page4.style.visibility = 'visible';
	page5.style.visibility = 'hidden';
}
function swapPage5(){
	var page1 = document.getElementById("page1");
	var page2 = document.getElementById("page2");
	var page3 = document.getElementById("page3");
	var page4 = document.getElementById("page4");
	var page5 = document.getElementById("page5");

	page1.style.visibility = 'hidden';
	page2.style.visibility = 'hidden';
	page3.style.visibility = 'hidden';
	page4.style.visibility = 'hidden';
	page5.style.visibility = 'visible';
}