function divSelect(clicked) {
    var divToShow;
    var divToHide1;
    var divToHide2;
    var divToHide3;

    if (document.getElementById(clicked.id))
    { clicked = clicked.id; }

    if (clicked == "div1") {
        divToShow = "divTab1";
        divToHide1 = "divTab2";
        divToHide2 = "divTab3";
        divToHide3 = "divTab4";
    }
    else if (clicked == "div2") {
        divToShow = "divTab2";
        divToHide1 = "divTab1";
        divToHide2 = "divTab3";
        divToHide3 = "divTab4";
    }
    else if (clicked == "div3") {
        divToShow = "divTab3";
        divToHide1 = "divTab2";
        divToHide2 = "divTab4";
        divToHide3 = "divTab1";
    }
    else if (clicked == "div4") {
        divToShow = "divTab4";
        divToHide1 = "divTab1";
        divToHide2 = "divTab2";
        divToHide3 = "divTab3";
    }

    //show
    document.getElementById("div1").className = "divTab";
    document.getElementById("div2").className = "divTab";
    document.getElementById("div3").className = "divTab";
    document.getElementById("div4").className = "divTab";
    document.getElementById(clicked).className = "divTabSelected";
    document.getElementById(divToShow).style.display = "block";
    //hide
    document.getElementById(divToHide1).style.display = "none";
    document.getElementById(divToHide2).style.display = "none";
    document.getElementById(divToHide3).style.display = "none";
    //remember for postbacks
    document.getElementById("txtDivHolder").value = clicked;

}

function safeInput(tbox) {
    var inText = tbox.value;
    if (inText.length > 0) {
        inText = inText.replace("<", "&lt;");
        inText = inText.replace(">", "&gt;");
        inText = inText.replace("*", "&#042;");
        inText = inText.replace("%", "&#037;");
        tbox.value = inText;
    }
}