function leadingZero(number) {
    if (number < 10) {
	    return "0" + number;
	} else {
		return "" + number;
	}
}

function page_on(displayNumber) {
    for (var i=0 ; i < 15 ; i++) {
	    var divObj = document.getElementById("page" + leadingZero(i));
		if (divObj) {
		    if (i == displayNumber) {
				divObj.style.display = "block";
			} else {
				divObj.style.display = "none";
			}
		}
	}
}

function info_on(displayNumber) {
    for (var i=0 ; i < 15 ; i++) {
	    var divObj = document.getElementById("info" + leadingZero(i));
		if (divObj) {
		    if (i == displayNumber) {
				divObj.style.display = "block";
			} else {
				divObj.style.display = "none";
			}
		}
	}
}

function tipp_on(displayNumber) {
    for (var i=0 ; i < 15 ; i++) {
	    var divObj = document.getElementById("tipp" + leadingZero(i));
		if (divObj) {
		    if (i == displayNumber) {
				divObj.style.display = "block";
			} else {
				divObj.style.display = "none";
			}
		}
	}
}

function details_on(displayNumber) {
    for (var i=0 ; i < 15 ; i++) {
	    var divObj = document.getElementById("details" + leadingZero(i));
		if (divObj) {
		    if (i == displayNumber) {
				divObj.style.display = "block";
			} else {
				divObj.style.display = "none";
			}
		}
	}
}

function page00_on () { 
 document.getElementById("page00").style.display = "block";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page01_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "block";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page02_on () { 
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "block";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page03_on () { 
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "block";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page04_on () { 
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "block";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page05_on () { 
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "block";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page06_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "block";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page07_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "block";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page08_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "block";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page09_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "block";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "none";
}

function page10_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "block";
 document.getElementById("page11").style.display = "none";
}

function page11_on () {
 document.getElementById("page00").style.display = "none";
 document.getElementById("page01").style.display = "none";
 document.getElementById("page02").style.display = "none";
 document.getElementById("page03").style.display = "none";
 document.getElementById("page04").style.display = "none";
 document.getElementById("page05").style.display = "none";
 document.getElementById("page06").style.display = "none";
 document.getElementById("page07").style.display = "none";
 document.getElementById("page08").style.display = "none";
 document.getElementById("page09").style.display = "none";
 document.getElementById("page10").style.display = "none";
 document.getElementById("page11").style.display = "block";
 document.getElementById("page12").style.display = "none";
}