var lastSearch = "";
var done = function(txt) {
    var div = document.getElementById("searchResults");
    if (div) {
        div.innerHTML = txt;
    }
}
function searching() {
    var div = document.getElementById("searchResults");
    if (div) {
        div.innerHTML = "Searching...";
    }
}

function search(txtBox) {
    var s = txtBox.value.toLowerCase();
    if (s == lastSearch) {
        return;
    }
    lastSearch = s;
    var postData = "a=0&q=" + escape(s);
    searching();
    AJAXCall("process.aspx", postData, done);
}
function byState(state) {
    if (!state) {
        state = "*";
    }
    document.getElementById("txtSearch").value = "";
    var postData = "a=1&q=" + escape(state);
    AJAXCall("process.aspx", postData, done);
}
function byLetter(letter) {
    if (!letter) {
        letter = "*";
    }
    document.getElementById("txtSearch").value = "";
    var postData = "a=2&q=" + escape(letter);
    AJAXCall("process.aspx", postData, done);
}