var request = null;
var selYear  = ( new Date ).getFullYear();
var selMonth = ( new Date ).getMonth() +1;

function getCalData( date ) {
	if( !request ) {
		try {
			request = new XMLHttpRequest();
			if( !request ) throw false;
		}
		catch( e ) {
			request = new ActiveXObject( 'Msxml2.XMLHTTP' );
			if( !request ) request = new ActiveXObject( 'Microsoft.XMLHTTP' );
		}
	}

    var host = '/chtml/restaurant/reservation_calender.php' + ( date ? ( '?year=' + date.split( '-' )[0] + '&month=' + date.split( '-' )[1] ) : '' )+'&template=simjangeo';

	request.open( "GET" , host  , true );
	request.onreadystatechange = setCalData;
	request.send();
}

// ¿¹¾àÀÚ¸®½ºÆ® ·¹À̾î
function reservationList(year, month, day) {
	// ±â´ÉÃß°¡Àü »ç¿ëÀÚµéÀº µ¿ÀÛ¾ÈÇÔ.
	if (!document.getElementById('order_list')) return;
	if (year != undefined) {
		var orderListLayer = document.getElementById('order_list');
		orderListLayer.style.left=document.body.scrollLeft + event.clientX + 10;
		orderListLayer.style.top=document.body.scrollTop + event.clientY + 10;

		if( !request ) {
			try {
				request = new XMLHttpRequest();
				if( !request ) throw false;
			}
			catch( e ) {
				request = new ActiveXObject( 'Msxml2.XMLHTTP' );
				if( !request ) request = new ActiveXObject( 'Microsoft.XMLHTTP' );
			}
		}

		var url = "";
		var p   ="";
		p= 'year=' + year + '&month=' + month + '&day=' + day;

		var template = 'simjangeo';
		if(template)
		{
			url =  '/chtml/restaurant/reservation_list.php?template=' + template + '&'+ p ;
		}
		else
		{
			url =  '/chtml/restaurant/reservation_list.php?'+p ;
		}

		request.open( "GET" , url, true );
		request.onreadystatechange = viewReservationLayer;
		request.send(null);
	}else {
		document.getElementById( 'order_list' ).style.display = 'none';
	}
}

function viewReservationLayer() {
	if( !request ) return;

	if( ( request.readyState == 4 ) && ( request.status == 200 ) ) {
		var orderList = request.responseText;
		var orderListLayer = document.getElementById( 'order_list' );		
		orderListLayer.innerHTML = orderList;
		orderListLayer.style.display='block';
	}
}

function setCalData() {
	if( !request ) return;

	var query = '';
	var regexStep = /&?step=([^=^&^\?]+)?/;
	var regexDate = /&?date=([^=^&^\?]+)?/;

	if( location.search ) query = location.search.split( '?' )[1];
	query = query.replace( regexStep , '' ).replace( regexDate , '' );

	if( ( request.readyState == 4 ) && ( request.status == 200 ) ) {
		var txt = request.responseText;
		if( !txt ) return;
		var txtData = txt.split( "\n" );
		var calData = new Array;
		for( var i = 0 ; i < txtData.length ; i++ ) {
			calData[ i ] = txtData[ i ].split( ' ' );
		}

		document.getElementById( 'calendarYM' ).innerHTML = selYear + '³â ' + selMonth + '¿ù';

		var isCurYM = ( ( new Date ).getFullYear() == selYear ) && ( ( ( new Date ).getMonth() +1 ) == selMonth );
		var curD = ( new Date ).getDate();

		var tb = document.getElementById( 'calendarDisplay' );
		var useLogin = ( tb.getAttribute( 'login' ) != 'X' );
		var isLogin = ( tb.getAttribute( 'login' ) == 'Y' );

		for( var i = 1 , dataCnt = 0 ; i < tb.rows.length ; i++ ) {
			for( var j = 0 , order = 0 , quantity = 0 , msg = '' ; j < tb.rows[ i ].cells.length ; j++ ) {
				var data = calData[ dataCnt++ ];

				if( data[ 2 ] ) {
					order = parseInt( data[ 2 ].split( '/' )[0] );
					quantity = parseInt( data[ 2 ].split( '/' )[ 1 ] );
					msg = '<div style=\"cursor:hand\" onclick=\"location.href=\'?'+( query ? query : '' ) + '&step=order&date=' + selYear + '-' + selMonth + '-' + data[1] +'\'\"><span class="ye">¿¹</span>¿¹¾àÇϱâ</div>';
					
				}

				if( ( data[ 1 ] > 0 ) && ( data[ 0 ] == 1 ) ) {
					//var func = function() { location.href = '?' + ( query ? query : '' ) + '&step=order&date=' + selYear + '-' + selMonth + '-' + this.firstChild.nodeValue; };
					//tb.rows[ i ].cells[ j ].onclick = ( useLogin ? ( isLogin ? func : ( function() { alert( '·Î±×ÀÎÀÌ ÇÊ¿äÇÕ´Ï´Ù' ); } ) ) : func );
					//tb.rows[ i ].cells[ j ].style.cursor = 'hand';
				}
				else {
					tb.rows[ i ].cells[ j ].onclick = function() {};
					tb.rows[ i ].cells[ j ].style.cursor = 'normal';
					msg = '';
				}

				if( isCurYM && ( curD == data[ 1 ] ) ) {
					tb.rows[ i ].cells[ j ].setAttribute( 'prevClassName' , tb.rows[ i ].cells[ j ].className );
					tb.rows[ i ].cells[ j ].className = 'm_today';
				}
				else if( tb.rows[ i ].cells[ j ].className == 'm_today' ) {
					tb.rows[ i ].cells[ j ].className = tb.rows[ i ].cells[ j ].getAttribute( 'prevClassName' );
					tb.rows[ i ].cells[ j ].removeAttribute( 'prevClassName' );
				}
				// °øÈÞÀÏ Ç¥½Ã - ¹é¼öȯ 2009-09-15
				if (data[3] == 1) {					
					tb.rows[ i ].cells[ j ].setAttribute( 'prevPageClassName' , tb.rows[ i ].cells[ j ].className );
					tb.rows[ i ].cells[ j ].className = tb.rows[ i ].cells[ j ].className + ' holiday';
				}else if(tb.rows[ i ].cells[ j ].className == tb.rows[ i ].cells[ j ].getAttribute('prevPageClassName') + ' holiday') {
					tb.rows[ i ].cells[ j ].className = tb.rows[ i ].cells[ j ].getAttribute( 'prevPageClassName' );
					tb.rows[ i ].cells[ j ].removeAttribute( 'prevPageClassName' );
				}

				if (order > 0) {
					msg = msg + '<div onClick=\"reservationList('+selYear+','+selMonth+','+data[ 1 ]+')\" style=\"cursor:hand\"><span class="wan">¿Ï</span>¿¹¾à³»¿ª</div>';
				}
				tb.rows[ i ].cells[ j ].innerHTML = ( ( data[ 1 ] > 0 ) ? ( data[ 1 ] + ( data[ 2 ] ? ( '<br><br><br>' + msg ) : '' ) ) : '' );

			}
		}
	}
	addCalendarComment();
}

//===============================================================
//	insertAdjacentElement ÇÔ¼ö¸¦ ¼öÁ¤ , ÆÄÀ̾îÆø½º ȣȯ¿ë
//===============================================================
	if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){ 
		HTMLElement.prototype.insertAdjacentElement = function(where,parsedNode) 
		{ 
			switch (where.toUpperCase()) 
			{ 
			case 'BEFOREBEGIN': 
			this.parentNode.insertBefore(parsedNode,this) 
			break; 
			case 'BEFOREEND': 
			this.appendChild(parsedNode); 
			break; 
			case 'AFTERBEGIN': 
			this.insertBefore(parsedNode,this.firstChild); 
			break; 
			case 'AFTEREND': 
			if (this.nextSibling) this.parentNode.insertBefore(parsedNode,this.nextSibling); 
			else this.parentNode.appendChild(parsedNode); 
			break; 
			} 
		} 
	  
		HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr) 
		{ 
			var r = this.ownerDocument.createRange(); 
			r.setStartBefore(this); 
			var parsedHTML = r.createContextualFragment(htmlStr); 
			this.insertAdjacentElement(where,parsedHTML);
		} 
	  
		HTMLElement.prototype.insertAdjacentText = function(where,txtStr) 
		{ 
			var parsedText = document.createTextNode(txtStr || '') 
			this.insertAdjacentElement(where,parsedText);
		} 
	}; 
//===============================================================

function addCalendarComment(){
	var calendarCommentNode = document.getElementById('calendarComment');
	if(calendarCommentNode) return false;
	var contents = '<div id="calendarComment" style="background-color:#ffffff;padding-top:4px;" align="right"><span class="ye">¿¹</span>&nbsp;¿¹¾à°¡´É&nbsp;&nbsp;&nbsp;<span class="wan">¿Ï</span>&nbsp;¿¹¾à¿Ï·áÀÚ¸ñ·Ï&nbsp;</div>';
	var calendarDisplayNode = document.getElementById('calendarDisplay');
	calendarDisplayNode.insertAdjacentHTML('beforeBegin', contents);
}

function nextMonth() {
	if( selMonth > 11 ) { selYear += 1; selMonth = 0; }
	selMonth += 1;
	getCalData( selYear + '-' + selMonth );
}

function prevMonth() {
	if( selMonth < 2 ) { selYear -= 1; selMonth = 13; }
	selMonth -= 1;
	getCalData( selYear + '-' + selMonth );
}

function start() {
	var indate =  selYear + '-' + selMonth;
	getCalData(indate );
}

if( window.attachEvent ) window.attachEvent( 'onload' , start );
else window.addEventListener( 'load' , start , false );