var liveSearchReq 	= false;
var t 				= null;
var liveSearchLast 	= "";
	
var isIE = false;

if (window.XMLHttpRequest) { 
	liveSearchReq = new XMLHttpRequest();
}

function setFields(name, id) {

	document.getElementById('livesearch').value = name;

}

function liveSearchInit() {
	
	if (navigator.userAgent.indexOf("Safari") > 0) {
		document.getElementById('livesearch').addEventListener("keydown",liveSearchKeyPress,false);
//		document.getElementById('livesearch').addEventListener("blur",liveSearchHide,false);

	} else if (navigator.product == "Gecko") {
		
		document.getElementById('livesearch').addEventListener("keypress",liveSearchKeyPress,false);
		document.getElementById('livesearch').addEventListener("blur",liveSearchHideDelayed,false);
		
	} else {
		document.getElementById('livesearch').attachEvent('onkeydown',liveSearchKeyPress);
//		document.getElementById('livesearch').attachEvent("onblur",liveSearchHide,false);
		isIE = true;
	}
	
	document.getElementById('livesearch').setAttribute("autocomplete","off");

}

function liveSearchHideDelayed() {
	window.setTimeout("liveSearchHide()",400);
}
	
function liveSearchHide() {
	document.getElementById("LSResult").style.display = "none";
	var highlight = document.getElementById("LSHighlight");
	if (highlight) {
		highlight.removeAttribute("id");
	}
	return false;
}

function liveSearchKeyPress(event) {
	
	if (event.keyCode == 40 ) { 	//KEY DOWN

		highlight = document.getElementById("LSHighlight");

		if (!highlight) {
			highlight = document.getElementById("LSShadow").firstChild.firstChild;
		} else {
			highlight.removeAttribute("id");
			highlight = highlight.nextSibling;
		}
		if (highlight) {
			highlight.setAttribute("id","LSHighlight");
		}

		if (!isIE) { event.preventDefault(); }

	} else if (event.keyCode == 38 ) { // KEY UP

		highlight = document.getElementById("LSHighlight");

		if (!highlight) {

			highlight = document.getElementById("LSResult").firstChild.firstChild.lastChild;
		} else {
			highlight.removeAttribute("id");
			highlight = highlight.previousSibling;
		}

		if (highlight) {
				highlight.setAttribute("id","LSHighlight");
		}

		if (!isIE) { event.preventDefault(); }

	} else if (event.keyCode == 27) { 	//ESC

		highlight = document.getElementById("LSHighlight");

		if (highlight) {
			highlight.removeAttribute("id");
		}
		document.getElementById("LSResult").style.display = "none";

	} else if (event.keyCode == 13) { 	//RETURN

		if (document.getElementById("LSHighlight")) {

			document.forms.searchform.search.value = document.getElementById("LSHighlight").getAttribute("name", "false");
			parent.location.href = liveSearchTargetURI + 'db?search=' + document.getElementById("LSHighlight").getAttribute("name", "false");

		} else if ( valid (document.forms.searchform, searchwarn1, searchwarn2)) {

			// document.forms.searchform.search.value = document.getElementById("LSHighlight").getAttribute("name", "false");
			parent.location.href = liveSearchTargetURI + 'db?search=' + document.forms.searchform.search.value;
		}

		return false;

	} else if (event.keyCode == 8) { 	//BACKSPACE

		liveSearchDoSearch();
	}
}

function liveSearchStart() {

	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") {
		liveSearchParams = "";
	}

	if (liveSearchLast != document.forms.searchform.search.value) {

		if (liveSearchReq && liveSearchReq.readyState < 4) {
			liveSearchReq.abort();
		}

		if ( document.forms.searchform.search.value == "") {
			liveSearchHide();
			return false;
		}

		if (window.ActiveXObject) { 	// branch for IE/Windows ActiveX version
	
			liveSearchReq 		= new ActiveXObject("Microsoft.XMLHTTP");
		}

		if (isIE) { 
			liveSearchReq.onreadystatechange = liveSearchProcessReqChange;
		} else {
			liveSearchReq.onreadystatechange = liveSearchProcessReqChange();
		}

		liveSearchReq.open("GET", liveSearchRoot + processURI + "?q=" + document.forms.searchform.search.value + liveSearchParams);
		liveSearchLast = document.forms.searchform.search.value;
		liveSearchReq.send(null);
	}
}

function liveSearchProcessReqChange() {

	if (liveSearchReq.readyState == 4 ) {

		var  res = document.getElementById("LSResult");
		res.style.display = "block";

		var  counter	= document.getElementById("LSShadowCount");
		var  list		= document.getElementById("LSShadow");
		
		string_parts	= new Array();
		string_parts	= liveSearchReq.responseText.split(/-----/);

		counter.innerHTML	= string_parts[0];
		list.innerHTML		= string_parts[1];
	}
}

function liveSearchSubmit() {

	var highlight = document.getElementById("LSHighlight");

	if (highlight && highlight.firstChild) {

		window.location = liveSearchRoot + liveSearchRootSubDir + highlight.firstChild.nextSibling.getAttribute("href");
		return false;
	} else {
		return true;
	}
}