/*-----------------------------------------------------------------

ÇÁ·Î±×·¥À̸§	: °Ë»ö¾î ÀÚµ¿¿Ï¼º
ÃÖÃÊÀÛ¼ºÀÚ		: ½Åµ¿±Ô
ÃÖÃÊÀÛ¼ºÀÏ		: 2006.03.23 (¸ñ)


-----------------------------------------------------------------*/
var searchSuggestDisplay = false;
var lastSearchWord = '';
var searchSuggestionWords = new Array();
var searchSuggestionLinks = new Array();
var lastSearchSuggestionWords = '';
var currentSearchSuggestionElement = 0;

function hideSuggestion()
{
	if(searchSuggestDisplay == false)
	{
		try
		{
			document.getElementById('searchSuggestion').innerHTML		= '';
			document.getElementById('searchSuggestion').style.display	= 'none';
			document.getElementById('searchOption').style.display		= 'none';
		}
		catch(e)
		{

		}
	}
}

function getSuggestion(obj)
{
	if(document.searchItem.sf.value != 'ttl')
	{
		return;
	}

	objvalue = trim(obj.value);

	if(objvalue == lastSearchWord)
	{
		return;
	}

	loadXMLDoc('/main/common/include/inc_autoCompleteIng.php?w=' + objvalue + '&t=' + Date(), showSuggestion);
	lastSearchWord = objvalue;
}

function showSuggestion(str)
{
	document.getElementById('searchOption').style.display		= 'block';
	document.getElementById('searchSuggestion').style.display	= 'block';
	document.getElementById('searchSuggestion').innerHTML		= '';

	if(!str)
	{
		lastSearchSuggestionWords = '';
		//searchSuggestDisplay = false;
		//hideSuggestion();
		document.getElementById('searchSuggestion').innerHTML = '<li class="gAlignCenter">Ãßõ °Ë»ö¾î°¡ ¾ø½À´Ï´Ù.</li>';
		document.getElementById('searchSuggestion').style.visibility = 'hidden';
		return;
	}
	else
	{
		document.getElementById('searchSuggestion').style.visibility = 'visible';
	}

	if(lastSearchSuggestionWords == str && lastSearchSuggestionWords)
	{
		//return;
	}

	lastSearchSuggestionWords = str;
	currentSearchSuggestionElement = 0;

	searchSuggestionWords = str.split("\n");

	var tmp	= searchSuggestionWords[0].split("`");

	if(searchSuggestionWords.length == 1 && tmp[0] == document.getElementById('searchWordForm').value)
	{
		document.getElementById('searchOption').style.display		= 'none';
		document.getElementById('searchSuggestion').style.display		= 'none';
		return;
	}

	for(var i=0; i<searchSuggestionWords.length; i++)
	{
		showStr = searchSuggestionWords[i].split("`");

		if(showStr[1] == undefined) showStr[1]	= '';

		// °Ë»ö¾î¿Í µ¿ÀÏÇÑ ºÎºÐ °­Á¶
		showStr[0] = showStr[0].replace(new RegExp(lastSearchWord, "g"), '<b>' + lastSearchWord + '</b>');

		document.getElementById('searchSuggestion').innerHTML += "<li id=searchSuggestionElement" + (i + 1) + " onmousedown=\"insertSearchWord(" + i + "); \" onmouseover=\"setCurrentSearchSuggestionElement(" + (i + 1) + ") \"onmouseout=\"\" name=\"" + showStr[0] + "\">" + showStr[0] + showStr[1] + "</li>";
	}
}

function insertSearchWord(idx)
{
	if(searchSuggestionWords[idx])
	{
		var ssw = searchSuggestionWords[idx].split("`");
		document.getElementById('searchWordForm').value = ssw[0];
	}
}

function setCurrentSearchSuggestionElement(i)
{
	if(currentSearchSuggestionElement != 0)
	{
		document.getElementById('searchSuggestionElement' + currentSearchSuggestionElement).className	= '';
	}

	if(i == 0) return;

	currentSearchSuggestionElement = i;
	document.getElementById('searchSuggestionElement' + currentSearchSuggestionElement).className	= 'selected';
}

function selectSearchElement(e)
{
	var height		= 18;
	var showLine	= 11;
	var curr		= currentSearchSuggestionElement;
	var target;
	var obj, currObj;

	if(event.keyCode == '40')
	{
		target = curr + 1;
	}
	else if(event.keyCode == '38')
	{
		target = curr - 1;
	}
	else if(event.keyCode == '13')
	{
		if (currentSearchSuggestionElement)
		{
			insertSearchWord(currentSearchSuggestionElement - 1);
			searchSuggestDisplay = false;
			currentSearchSuggestionElement = 0;
			return false;
		}
		else
		{
			return true;
		}
	}
	else
	{
		return true;
	}

	if(obj = document.getElementById('searchSuggestionElement' + target))
	{
		if(currObj = document.getElementById('searchSuggestionElement' + curr))
		{
			currObj.className = '';
		}

		obj.className = 'selected';
		obj.focus();

		if (document.getElementById('searchSuggestion').scrollTop < Math.max(0, height * (target - showLine)))
		{
			document.getElementById('searchSuggestion').scrollTop = Math.max(0, height * (target - showLine));
		}
		else if (document.getElementById('searchSuggestion').scrollTop > height * (target - 1))
		{
			document.getElementById('searchSuggestion').scrollTop = height * (target - 1);
		}

		currentSearchSuggestionElement = target;

		return false;
	}

	return true;
}



/*-----------------------------------------------------------------
AJAX functions
-----------------------------------------------------------------*/
var xmlHTTPReq = null;
var xmlHTTPReqCB = null;

/*
* some work to use XMLHTTPRequest Object
*/
function prepareXmlHTTPRequest()
{
	if(window.XMLHttpRequest)
	{
		try
		{
			xmlHTTPReq = new XMLHttpRequest();
		}
		catch(e)
		{
			xmlHTTPReq = false;
		}
	}
	else if(window.ActiveXObject)
	{
		try
		{
			xmlHTTPReq = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e)
		{
			try
			{
				xmlHTTPReq = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e)
			{
				xmlHTTPReq = false;
			}
		}
	}
}

function processReqChange()
{

	if (xmlHTTPReq.readyState == 4)
	{ // Loaded

		if (xmlHTTPReq.status == 200)
		{ // only if "OK"

			xmlHTTPReqCB(unescape(xmlHTTPReq.responseText));
		}
		else
		{
			//alert("error");
		}
	}
}

/*
* Simple Call for requesting Document
*/
function loadXMLDoc(url, cb)
{
	prepareXmlHTTPRequest();

	if (xmlHTTPReq)
	{
		xmlHTTPReqCB = cb;
		xmlHTTPReq.onreadystatechange = processReqChange;

		try
		{
			xmlHTTPReq.open("GET", url, true);
			xmlHTTPReq.send("");
		}
		catch (e)
		{
			//alert("There may be one or more problem to execute XML request");
		}
	}

	delete xmlHTTPReq;
}

/*
* call of Form element for requesting Document
*/
function submitFormToXMLDoc(form_id, cb)
{
	var form;
	var method;
	var action;
	var postData = "";

	form = document.getElementById(form_id);

	if ( !form )
	{
		//alert("check form id");
		return false;
	}

	method = form.method.toUpperCase();

	if ( !method )
	{
		//alert("form must have an attribute 'method'");
		return false;
	}

	action = form.action;

	if ( !action )
	{
		//alert("form must have an attribute 'action'");
		return false;
	}

	prepareXmlHTTPRequest();

	if (xmlHTTPReq)
	{
		xmlHTTPReqCB = cb;
		xmlHTTPReq.onreadystatechange = processReqChange;
	}
	else
	{
		return false;
	}

	if (method == "POST")
	{
		xmlHTTPReq.open(method, action, true);

		if (xmlHTTPReq)
		{
			for (i=0; i<form.elements.length; i++)
			{
				if (form.elements[i].name) postData = postData + "&" + form.elements[i].name + "=" + escape(form.elements[i].value);
			}

			postData = postData.substr(1);
			xmlHTTPReq.setRequestHeader("Method", "POST " + action + " HTTP/1.1");
			xmlHTTPReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			xmlHTTPReq.setRequestHeader("Content-Length", postData.length);
		}
	}
	else if (method == "GET")
	{
		if (action.indexOf("?") == -1) action = action + "?";
		else action = action + "&";

		for (i=0; i<form.elements.length; i++)
		{
			if (form.elements[i].name)
			{
				action = action + "&" + form.elements[i].name + "=" + escape(form.elements[i].value);
			}
		}

		xmlHTTPReq.open(method, action, true);
		postData = null;
	}
	else
	{
		//alert("Unsupported Form Method: " + method);
		return false;
	}

	try
	{
		xmlHTTPReq.send(postData);
	}
	catch (e)
	{
		//alert("There may be one or more problem to execute XML request");
		delete xmlHTTPReq;
	}

	return false;
}