/*
*	2010.09.30 make by ahmax(ahmax95@gmail.com)
*	http://beans9.tistory.com
*/
			// 최대연수 (0으로 할경우 현제 년도까지)
			var max_year = 2020;
			
			// 최소연수
			var min_year = 2005;
			
			// 날짜표시형식 (xxxx-xx-xx)
			var date_split_format = ".";
			
			// 요일표시
			var yoil = ["월","화","수","목","금","토","일"];
			
			// 각 월의 일수
			var mon = [31,28,31,30,31,30,31,31,30,31,30,31];
						
			var todayStr  = dateStr(new Date(),1);			
			var firstFlag = true;
			var firstId   = "";
			
			function initCal(target,type){
				var id = target + "Cal";
				$(function(){		
					var tInput  = $("#" + target).offset();
					var tHeight = $("#" + target).outerHeight();
					
					// 입력값이 있을경우 달력초기화시 해당 입력달에 날짜로 셋팅
					var targetVal = $("#" + target).val();		
					if( targetVal == "") targetVal = todayStr;
					
					$(document.body).append($("<div id='"+ id +"' onselectstart='return false'>"));
					$(document).click(function(event){
						if(event.target.id != id && event.target.id != target && $("#" + id).css('display') != "none" ){
							$("#" + id).hide();
						};	
					});;
					
					
				    $("#" + id).addClass("divBody");
				    $("#" + id).html(makeCal(id, targetVal));
				    $("#" + id).click(function(e){
						e.stopPropagation();
					});
					
				    // 중첩버그 있음.
				    if(firstFlag == true || firstId.indexOf(id) == -1){
					    $("#" + id).mousewheel(function(e, d){			
							if (d > 0) {moveDate(id, 1);}
							else {	moveDate(id, -1); }
							addHover(id,target);
						});
					    
					    firstFlag = false;
					    firstId += id;
				    }

					$("#" + target).attr("readonly", true);
					$("#" + target).click(function(e){
						calPosition(target,id);
						$("#" + id).show();
					});	
					
					$("#" + id + "_calYear").attr("value",targetVal.split(date_split_format)[0]);
					$("#" + id + "_calYear").change(function(){			
						changeCal(id,target);
					}).keyup(function(){
						changeCal(id,target);		
					}).mousewheel(function(e, d){			
						this.blur();
					});
					
					$("#" + id + "_calMon").attr("value",eval(targetVal.split(date_split_format)[1]));
					$("#" + id + "_calMon").change(function(){
						changeCal(id,target);
					}).keyup(function(){									
						changeCal(id,target);
					}).mousewheel(function(e, d){			
						this.blur();
					});
					
					addHover(id,target);
						
					$("#" + id + "_left").click(function(e){
						moveDate(id,-1);
						addHover(id,target);
						this.blur();
					});
					
					$("#" + id + "_right").click(function(e){
						moveDate(id,1);
						addHover(id,target);
						this.blur();					
					});
					
					$("#" + id + "tBtn").addClass("tBtn");
					$("#" + id + "tBox").hover(function(){
						$(this).addClass("tBtnOn");
					},function(){
						$(this).removeClass("tBtnOn");
					}).click(function(){
						changeToday(id,target);
					});
					
					$(window).resize(function() {
				    	calPosition(target,id);
				    });
				});
			}
			
			function calPosition(target,id){
				var tInput  = $("#" + target).offset();
				var tHeight = $("#" + target).outerHeight();
				
				var calHeight 	= $("#" + id).outerHeight();
				
				if( tInput != null){
					$("#" + id).css({"top":tInput.top+tHeight , "left":tInput.left});
				}
				//$("#" + id).css({'top':tInput.top-calHeight , 'left':tInput.left});
			}
			
			function addHover(id,target){
				$(function(){		
					$("#" + id + "_cal div[value]").hover(function(){
						$(this).addClass("onDay");
					},function(){
						$(this).removeClass("onDay");
					}).click(function(e){
						$("#" + target).attr("value", $(this).attr("value"));
						$("#" + id).hide();
						$("#" + id + " .selDay").removeClass("selDay");
						$(this).addClass("selDay");
					});
					
					$("#" + id + "_cal [day='0']").addClass("daySun");
					$("#" + id + "_cal [day='6']").addClass("daySat");
					for(var i=1;i<6;i++) $("#" + id + "_cal [day='" + i + "']").addClass("dayEv");
					$("#" + id + "_cal [value='"+$("#"+target).val() +"']").addClass("selDay");
					$("#" + id + "_cal [value='"+ todayStr + "']").addClass("dayToday");
				});
			}
			
			function changeCal(id,target){
				$("#" + id + "_cal").html(makeDate($("#" + id + "_calYear").val(),($("#" + id + "_calMon").val()-1)),id);
				addHover(id,target);
			}
			
			function changeToday(id,target){
				var today =  dateStr(new Date(),2);
				$("#" + id + "_cal").html(makeDate(today[0],eval(today[1]-1)),id);
				$("#" + id + "_calMon").attr("value",eval(today[1]));
				$("#" + id + "_calYear").attr("value",today[0]);
				addHover(id,target);
			}
			
			function makeCal(id , tValue)
			{
				 var today;
				 var cal_html = "";
				 
				 var tDate = tValue.split(date_split_format);
				 
				 // 윤년이면 2월 날수를 29로...
				 if ((tDate[0] % 4 == 0 && tDate[0] % 100 != 0) || tDate[0] % 400 == 0) mon[1] = 29;
				
				 cal_html += "<table width='100%'><tr><td><div class='divHead'><table class='calCss'><tr><td id='"+ id +"_left' class='divHeadLeft'>◀</td><td class='divHeadCenter'><select id='"+id+"_calYear'>";				 
				
				 if( max_year == 0) max_year = tDate[0] ;
				 for(var i=min_year;i<=max_year;i++){	cal_html += "<option value='"+i+"'>" + i + "</option>"; }
				 cal_html += "</select><select id='"+id+"_calMon' style='width:60px'>";
				 for(var i=1;i<13;i++){ 	cal_html += "<option value='"+ i +"'>" + i +"월</option>"; }
				 cal_html += "</select></td><td id='"+ id +"_right' class='divHeadRigth'>▶</td></tr></table></div></td></tr><tr><td><div id='" + id + "_cal" + "'>";			
					
				 cal_html += makeDate(eval(tDate[0]),eval(tDate[1]-1),id);	
				 cal_html +="</div></td></tr></table></div>";
				 // 하단 today 삭제
				 //cal_html +="</div></td></tr></table></div><div id='"+id+"tBtn'><span id='"+id+"tBox'>Today</span></div>";
			
				 return cal_html;	 
			}
			
			function makeDate(year,month,id){
				var cal_html = "<table class='calCss'><tr>";
			
				 // 요일 출력하기.
				for (i=0;i<yoil.length;i++){ cal_html += "<td align='center'>"+yoil[i];	}
			
				day = new Date(year,month,1);
			
				// 달력 처음이 일요일이 아니면 회색으로 채움.
				if (day.getDay() != 1) {
				  	var startDay = day.getMonth() == 0? 0: eval(day.getMonth()-1);
					var maxDay = day.getDay() == 0 ? 6 : eval(day.getDay()-1);
					
					cal_html +="<tr>";
				  	for (i=maxDay;i>0;i--){
				   		cal_html +="<td><div value='" + dateStr(new Date(year,eval(day.getMonth()-1),(mon[startDay] - (i-1))),1)+"' class = 'dayOther'>" + (mon[startDay] - (i-1))+ "</div></td>";
				 	}
				}	
				
				// 날짜를 그려준다.
				for (i=1;i<=mon[day.getMonth()];i++){		
					today 		= new Date(year,month,i); // 오늘 날짜를 얻음 -> 요일을 알기 위해서.
					// 일요일이면 다음 줄로 넘어감.
					if (today.getDay() == 1){ cal_html +="<tr>"; }
					cal_html += "<td><div value='" + dateStr(today,1) +"' day='" + today.getDay() +"' >" + i + "</div></td>";
				}
				
				 // 테이블의 나머지를 회색으로 채움.
				 var next_day = 1;
				 for (i=today.getDay()-1;i<6;i++){
					 if(today.getDay() == 0) break;
					 cal_html +="<td><div value='" + dateStr(new Date(year,eval(day.getMonth()+1),next_day),1)+"' class='dayOther'>" + next_day++ + "</div></td>";		 
				 }	
				 
				 return cal_html;
			}
			
			function moveDate(id,plus){	
				var month = eval($("#" + id + "_calMon").val());
				var year  = eval($("#" + id + "_calYear").val());
				month += plus;
				
				if( month == 0){
					month = 12;
					year  += plus;
				}else if(month == 13){
					month = 1;
					year  += plus;
				}
				
				if( max_year == 0) max_year = todayStr.split(date_split_format)[0] ;
				if( year < min_year || year > max_year ) return;
			
				$("#" + id + "_calMon").attr("value",month);
				$("#" + id + "_calYear").attr("value",year);
				$("#" + id + "_cal").html(makeDate(year,month-1),id);
			}
			
				
			function dateStr( obj, returnType){
				var y = obj.getFullYear();
				var m = obj.getMonth()+ 1 + "";
				var d = obj.getDate() + "";
				
				if(m.length == 1) m = "0" + m;
				if(d.length == 1) d = "0" + d;
				
				var returnValue = y+ date_split_format + m + date_split_format +d; 
				
				if( returnType == "1"){
					return returnValue;
				}else if( returnType == "2"){
					return 	returnValue.split(date_split_format);	
				}
			}