var liveSearchReq = false;
var t = null;
var liveSearchLast = "";
var feldname = "";
var isIE = false;
// on !IE we only have to initialize it once
if (window.XMLHttpRequest) {
	liveSearchReq = new XMLHttpRequest();
}

function liveSearchInit() {

	if (navigator.userAgent.indexOf("Safari") > 0) {
		document.getElementById('livesearch1').addEventListener("keydown",liveSearchKeyPress,false);
		document.getElementById('livesearch1').addEventListener("blur",liveSearchHide,false);
		document.getElementById('livesearch2').addEventListener("keydown",liveSearchKeyPress,false);
		document.getElementById('livesearch2').addEventListener("blur",liveSearchHide,false);
	} 
	else if (navigator.product == "Gecko") {
		document.getElementById('livesearch1').addEventListener("keypress",liveSearchKeyPress,false);
		document.getElementById('livesearch1').addEventListener("blur",liveSearchHideDelayed,false);
		document.getElementById('livesearch2').addEventListener("keypress",liveSearchKeyPress,false);
		document.getElementById('livesearch2').addEventListener("blur",liveSearchHideDelayed,false);
	} 
	else {
		document.getElementById('livesearch1').attachEvent('onkeydown',liveSearchKeyPress);
		document.getElementById('livesearch1').attachEvent('onblur',liveSearchHideDelayed,false);
		document.getElementById('livesearch2').attachEvent('onkeydown',liveSearchKeyPress);
		document.getElementById('livesearch2').attachEvent('onblur',liveSearchHideDelayed,false);
		isIE = true;
	}
	
	document.getElementById('livesearch1').setAttribute("autocomplete","off");
	document.getElementById('livesearch2').setAttribute("autocomplete","off");
	}

function liveSearchHideDelayed() {
	window.setTimeout("liveSearchHide()",400);
}
	
function liveSearchHide() {
	//alert(feldname);
	if(feldname == 'suchfeld_was'){ document.getElementById("LSResult1").style.display = "none";}
	if(feldname == 'suchfeld_wo') {document.getElementById("LSResult2").style.display = "none";}
	var highlight = document.getElementById("LSHighlight");
	if (highlight) {
		highlight.removeAttribute("id");
	}
}

function liveSearchKeyPress(event) {

	if (event.keyCode == 40 )
	//KEY DOWN
	{	
		highlight = document.getElementById("LSHighlight");
		if (!highlight) {
			if(feldname == 'suchfeld_was') {highlight = document.getElementById("LSShadow1").firstChild.firstChild;}
			if(feldname == 'suchfeld_wo')  {highlight = document.getElementById("LSShadow2").firstChild.firstChild;}
		} else {
			highlight.removeAttribute("id");
			highlight = highlight.nextSibling;
		}
		if (highlight) {
			highlight.setAttribute("id","LSHighlight");
		} 
		if (!isIE) { event.preventDefault(); }
	} 
	//KEY UP
	else if (event.keyCode == 38 ) {
		highlight = document.getElementById("LSHighlight");
		if (!highlight) {
			if(feldname == 'suchfeld_was'){highlight = document.getElementById("LSResult1").firstChild.firstChild.lastChild;}
			if(feldname == 'suchfeld_wo') {highlight = document.getElementById("LSResult2").firstChild.firstChild.lastChild;}
		} 
		else {
			highlight.removeAttribute("id");
			highlight = highlight.previousSibling;
		}
		if (highlight) {
				highlight.setAttribute("id","LSHighlight");
		}
		if (!isIE) { event.preventDefault(); }
	} 
	//ESC
	else if (event.keyCode == 27) {
		highlight = document.getElementById("LSHighlight");
		if (highlight) {
			highlight.removeAttribute("id");
		}
		if(feldname == 'suchfeld_was'){document.getElementById("LSResult1").style.display = "none";}
		if(feldname == 'suchfeld_wo') {document.getElementById("LSResult2").style.display = "none";}
	} 
	//BACKSPACE - required for IE
	else if (event.keyCode == 8 && isIE) {
		liveSearchStart(feldname);
	}
	
	//RETURN
	else if (event.keyCode == 13 ) {
		
		if(feldname == 'suchfeld_was')
		{	
			document.getElementById('livesearch1').value = highlight.firstChild.title;
			liveSearchHideDelayed();	
		}

		if(feldname == 'suchfeld_wo')
		{	
			document.getElementById('livesearch2').value = highlight.firstChild.title;
			liveSearchHideDelayed();
		}
		return liveSearchSubmit();
	}
	
	return true;
	
}
function liveSearchStart(caller) {
	feldname = caller;
	if (t) {
		window.clearTimeout(t);
	}
	t = window.setTimeout("liveSearchDoSearch()",200);
}

function liveSearchDoSearch() {

	if (typeof liveSearchRoot == "undefined") {
		liveSearchRoot = "";
	}
	if (typeof liveSearchRootSubDir == "undefined") {
		liveSearchRootSubDir = "";
	}
	if (typeof liveSearchParams == "undefined") {
		liveSearchParams2 = "";
	} else {
		liveSearchParams2 = "&" + liveSearchParams;
	}

	if (((liveSearchLast != document.forms.searchform.suchfeld_was.value) && (feldname == 'suchfeld_was')) || ((liveSearchLast != document.forms.searchform.suchfeld_wo.value) && (feldname == 'suchfeld_wo'))) 
	{
		if (liveSearchReq && liveSearchReq.readyState < 4) {
			liveSearchReq.abort();
		}
		if ( document.forms.searchform.suchfeld_was.value == "" && feldname == 'suchfeld_was' ) {
			liveSearchHide(feldname);
			liveSearchLast = "";
			return false;
		}
		if ( document.forms.searchform.suchfeld_wo.value == "" && feldname == 'suchfeld_wo' ) {
			liveSearchHide(feldname);
			liveSearchLast = "";
			return false;
		}
 
		if (window.XMLHttpRequest) {
		// branch for IE/Windows ActiveX version
		} else if (window.ActiveXObject) {
			liveSearchReq = new ActiveXObject("Microsoft.XMLHTTP");
		}

		liveSearchReq.onreadystatechange= liveSearchProcessReqChange;
		if(feldname == 'suchfeld_was'){
			liveSearchReq.open("GET", liveSearchRoot + "suche/livesearch.php?suchfeld_was=" + document.forms.searchform.suchfeld_was.value + liveSearchParams2);
			liveSearchLast = document.forms.searchform.suchfeld_was.value;
		}
		if(feldname == 'suchfeld_wo'){
			liveSearchReq.open("GET", liveSearchRoot + "suche/livesearch.php?suchfeld_wo=" + document.forms.searchform.suchfeld_wo.value + liveSearchParams2);
			liveSearchLast = document.forms.searchform.suchfeld_wo.value;
		}
		liveSearchReq.send(null);
	}
	return 'dummy';
}

function liveSearchProcessReqChange() {
	
	if (liveSearchReq.readyState == 4) {
		if(feldname == 'suchfeld_was'){var  res = document.getElementById("LSResult1");}
		if(feldname == 'suchfeld_wo') {var  res = document.getElementById("LSResult2");}
		res.style.display = "block";
		if(feldname == 'suchfeld_was') {var  sh = document.getElementById("LSShadow1");}
		if(feldname == 'suchfeld_wo') {var  sh = document.getElementById("LSShadow2");}		
		sh.innerHTML = liveSearchReq.responseText;
		 
	}
}

function liveSearchSubmit() {
	var highlight = document.getElementById("LSHighlight");
	if (highlight && highlight.firstChild) {
		//window.location = highlight.firstChild.nextSibling.getAttribute("href");
		return false;
	} 
	else {
		return true;
	}
}




/* preview comment code */


function preview(request){
    //
    var previewNode = $('previewComment');

    if (!previewNode) {
        var lastComment = $('bx_foo');
        var previewNode = document.createElement("div");
        previewNode.id = 'previewComment';
        previewNode.className = 'post_content';
        previewNode = lastComment.parentNode.insertBefore(previewNode,lastComment.nextSibling);

    }
    previewNode.innerHTML = request.responseText;
}


function previewSubmit(test) {
    var name = document.getElementById('name').value;
    var mail = document.getElementById('email').value;
    var uri = document.getElementById('openid_url').value;
    var text = document.forms['bx_foo']['comments'].value;

    var f = document.forms['commentForm'];
	if (typeof liveSearchRoot == "undefined") {
		var liveSearchRoot = "/";
	}

    body = "mail=" + encodeURIComponent(mail) + "&uri="+ encodeURIComponent(uri) + "&text="+ encodeURIComponent(text) + "&name="+ encodeURIComponent(name);
    new ajax (liveSearchRoot + 'inc/bx/php/preview.php', {
        postBody: body,
                method: 'post',
                onComplete: preview
    });


    return false;
}