var myAjax = ajax();
var field;
var tag;
function ajax() {
        var ajax = null;
        if (window.XMLHttpRequest) {
                try {
                        ajax = new XMLHttpRequest();
                }
                catch(e) {}
        }
        else if (window.ActiveXObject) {
                try {
                        ajax = new ActiveXObject("Msxm12.XMLHTTP");
                }
                catch (e){
                        try{
                                ajax = new ActiveXObject("Microsoft.XMLHTTP");
                        }
                        catch (e) {}
                }
        }
        return ajax;
}
function request(str, f, t, q) {
	//Don't forget to modify the path according to your theme
	field = f;
	tag = t;
        myAjax.open("POST", "http://www.svf-dresden.de/wp-content/themes/svf_dresden/bukarten/autocomplete.php");
        myAjax.onreadystatechange = result;
        myAjax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        myAjax.setRequestHeader("Accept-Charset", "iso-8859-1");
        myAjax.send("search="+str+"&query="+q);
}
function result() {
        if (myAjax.readyState == 4) {
                var liste = myAjax.responseText;
                var cible = document.getElementById(tag).innerHTML = liste;
                document.getElementById(tag).style.display = "block";
        }
}
function selected(choice){
        var cible = document.getElementById(field);
        cible.value = choice;
        document.getElementById(tag).style.display = "none";
}