//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
    if (window.XMLHttpRequest) {
        return new XMLHttpRequest();
    } else if(window.ActiveXObject) {
        return new ActiveXObject("Microsoft.XMLHTTP");
    } else {
        alert("Your Browser Sucks!\nIt's about time to upgrade don't you think?");
    }
}

//Our XmlHttpRequest object to get the auto suggest
var searchReq = getXmlHttpRequestObject();

//Called from keyup on the search textbox.
//Starts the AJAX request.
function searchSuggest() {
    if (searchReq.readyState == 4 || searchReq.readyState == 0) {
        var str = escape(document.getElementById('txtSearch').value);
        searchReq.open("GET", 'searchSuggest.php?search=' + str, true);
        searchReq.onreadystatechange = handleSearchSuggest; 
        searchReq.send(null);
    }        
}

//Called when the AJAX response is returned.
function handleSearchSuggest() {
    if (searchReq.readyState == 4) {
        var ss = document.getElementById('search-suggest')
        ss.innerHTML = '';
        var str = searchReq.responseText.split("\n");
        for(i=0; i < str.length - 1; i++) {
            //Build our element string.  This is cleaner using the DOM, but
            //IE doesn't support dynamically added attributes.
            var suggest = '<div onmouseover="javascript:suggestOver(this);" ';
            suggest += 'onmouseout="javascript:suggestOut(this);" ';
            suggest += 'onclick="javascript:setSearch(this.innerHTML);" ';
            suggest += 'class="suggest-link">' + str[i] + '</div>';
            ss.innerHTML += suggest;
        }
        if (i==0) {
            ss.style.visibility  = "hidden";
        } else {
            ss.style.visibility  = "visible";
        }
        //Schlieen link einfgen
        ss.innerHTML += '<div align="right"><a onmouseover="javascript:suggestOver(this);" onmouseout="javascript:suggestOut(this);" onClick="javascript:suggestClose(this);" class="suggest-link"><b>Fenster schlie&szlig;en</b></a></div>';
    }
}
// Close Function
function suggestClose (div_value) {
    document.getElementById('search-suggest').innerHTML = '';
    document.getElementById('search-suggest').style.visibility  = "hidden";
}

//Mouse over function
function suggestOver(div_value) {
    div_value.className = 'suggest-link-over';
}
//Mouse out function
function suggestOut(div_value) {
    div_value.className = 'suggest-link';
}
//Click function
function setSearch(value) {
    // HTML-TAGS entfernen
      var newvalue = value.replace(/<.*?>/gi, '');
    //Kategorienamen entfernen (fngt mit &nbsp; an)
    var Suche =    newvalue.indexOf("&nbsp;");
    var produktname = newvalue.substring(0,Suche);
    document.getElementById('txtSearch').value = produktname;
    document.getElementById('search-suggest').innerHTML = '';
    document.getElementById('search-suggest').style.visibility  = "hidden";
    //zum Suchergebnis weiterleiten
    top.location.href = "advanced_search_result4.php?keywords=" + produktname; 
}