function changeTxt_cp(f) {
    if (f.value == 1) {
        document.getElementById("cp_ltitle").innerHTML = "<b>I use</b>";
        document.getElementById("cp_rtitle").innerHTML = "<b>I use supports or assistance to</b>";
    } else if (f.value == 0) {
        document.getElementById("cp_ltitle").innerHTML = "<b>The person or people I know with a disability use / I use</b>";
        document.getElementById("cp_rtitle").innerHTML = "<b>The person or people I know with a disability use supports or assistance to / I use supports or assistance to</b>";
    } else {
        document.getElementById("cp_ltitle").innerHTML = "<b>The person or people I know with a disability use</b>";
        document.getElementById("cp_rtitle").innerHTML = "<b>The person or people I know with a disability use supports or assistance to</b>";
    }
}
function hide_divs(total) {
    var i=1;
    for(i=1;i<=total;i++) {
        if (document.getElementById("block"+i)) {
            document.getElementById("block"+i).style.display = "none";
        }
    }
}
function unhide_div(d) {
    if (document.getElementById(d).style.display == "block")
        document.getElementById(d).style.display = "none";
    else
        document.getElementById(d).style.display = "block";
}