ng5 = (document.getElementById) ? true:false //required for Functions to work

function hideplop() {
if (document.getElementById('plop8')){
if (ng5) document.getElementById('plop8').style.visibility = "hidden"
}
if (document.getElementById('plop7')){
if (ng5) document.getElementById('plop7').style.visibility = "hidden"
}
if (document.getElementById('plop6')){
if (ng5) document.getElementById('plop6').style.visibility = "hidden"
}
if (document.getElementById('plop5')){
if (ng5) document.getElementById('plop5').style.visibility = "hidden"
}
if (document.getElementById('plop4')){
if (ng5) document.getElementById('plop4').style.visibility = "hidden"
}
if (document.getElementById('plop3')){
if (ng5) document.getElementById('plop3').style.visibility = "hidden"
}
if (document.getElementById('plop2')){
if (ng5) document.getElementById('plop2').style.visibility = "hidden"
}
if (document.getElementById('plop1')){
if (ng5) document.getElementById('plop1').style.visibility = "hidden"
}

}


function showplop(n) {
hideplop();
if (ng5) document.getElementById('plop' + n).style.visibility = "visible";

}