// Slides
function slide(msg){
	// find all slides
	var slide_01 = document.getElementById('slide_01');
	var slide_02 = document.getElementById('slide_02');
	var slide_03 = document.getElementById('slide_03');
	var slide_04 = document.getElementById('slide_04');
	var slide_05 = document.getElementById('slide_05');
	// hide all slides
	slide_01.style.display = "none";
	slide_02.style.display = "none";
	slide_03.style.display = "none";
	slide_04.style.display = "none";
	slide_05.style.display = "none";
	if (msg == 1){
		slide_01.style.display = "block";
	} else if (msg == 2){
		slide_02.style.display = "block";
	} else if (msg == 3){
		slide_03.style.display = "block";
	} else if (msg == 4){
		slide_04.style.display = "block";
	} else if (msg == 5){
		slide_05.style.display = "block";
	}
}