/*
Dynamic Calendar II (By Jason Moon at http://www.jasonmoon.net)
Permission granted to Dynamicdrive.com to include script in archive
For this and 100's more DHTML scripts, visit http://dynamicdrive.com
*/

var ns6=document.getElementById&&!document.all;
var ie4=document.all;

var Selected_Month;
var Selected_Year;
var Current_Date = new Date();

var Current_Month = Current_Date.getMonth();

var Days_in_Month = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var Month_Label = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');

var Current_Year = Current_Date.getYear();
if (Current_Year < 1000)
	Current_Year+=1900;


var Today = Current_Date.getDate();

function Header(Year, Month) {

   if (Month == 1) {
   	Days_in_Month[1] = ((Year % 400 == 0) || ((Year % 4 == 0) && (Year % 100 !=0))) ? 29 : 28;
   }
   
   var Header_String = Month_Label[Month] + ' ' + Year;
   return Header_String;
}



function Make_Calendar(Year, Month) {
   var venueEvents = [];
   var extraEvents = [];


   var First_Date = new Date(Year, Month, 1);
   var Heading = Header(Year, Month);
   var First_Day = First_Date.getDay() + 1;
   if (((Days_in_Month[Month] == 31) && (First_Day >= 6)) ||
       ((Days_in_Month[Month] == 30) && (First_Day == 7))) {
      var Rows = 6;
   }
   else if ((Days_in_Month[Month] == 28) && (First_Day == 1)) {
      var Rows = 4;
   }
   else {
      var Rows = 5;
   }

   var HTML_String = '<table><tr><td valign="top"><table class="quik_calendar" CELLSPACING=1 cellpadding=2 FRAME="box">';

   HTML_String += '<tr><th class="quik_calendar_header_cell" colspan="7" align="center" width="100%"><table border="0" cellpadding="0" cellspacing="0"><tr><th width="0"><a href="Javascript:Skip(\'-\')"><img src="/sl/images/qc_arrow_left.gif" border="0" alt="Previous Month"></a></th><th class="quik_calendar_header" width="100%">' + Heading + '</th><th width="0"><a href="Javascript:Skip(\'+\')"><img src="/sl/images/qc_arrow_right.gif" border="0" alt="Next Month"></a></th></tr></table></th></tr>';

   HTML_String += '<tr><th class="quik_calendar" ALIGN="CENTER">Sun</th><th class="quik_calendar" ALIGN="CENTER">Mon</th><th class="quik_calendar" ALIGN="CENTER">Tue</th><th class="quik_calendar" ALIGN="CENTER">Wed</th>';

   HTML_String += '<th class="quik_calendar" ALIGN="CENTER">Thu</th><th class="quik_calendar" ALIGN="CENTER">Fri</th><th class="quik_calendar" ALIGN="CENTER">Sat</th></tr>';

   var Day_Counter = 1;
   var Loop_Counter = 1;
   for (var j = 1; j <= Rows; j++) {
      HTML_String += '<tr ALIGN="left" VALIGN="top">';
      for (var i = 1; i < 8; i++) {
         if ((Loop_Counter >= First_Day) && (Day_Counter <= Days_in_Month[Month])) {

       	    realMonth = eval(Month + 1);
       	    bEventFound = false;
       	    style_class = "quik_calendar";
       	    
	    for (var iEventsCount = 0; iEventsCount < venueEvents.length; iEventsCount++) {
	    	if (Year + "-" + realMonth + "-" + Day_Counter == venueEvents[iEventsCount]) {
            		bEventFound = true;
            		style_class = "quik_calendar_event";
            		break;
            	}
            }

	    if (bEventFound != true) {
		    for (iEventsCount = 0; iEventsCount < extraEvents.length; iEventsCount++) {
		    	if (Year + "-" + realMonth + "-" + Day_Counter == extraEvents[iEventsCount]) {
		    		bEventFound = true;
		    		style_class = "quik_calendar_event";
		    		break;
		    	}
		    }
	    }

            HTML_String += '<td class="' + style_class + '">';
            
            HTML_String += '<div ';

            if (bEventFound == true) {
       		HTML_String += 'onMouseOver="stm(Event_' + Year + '_' + realMonth + '_' + Day_Counter + ', Style[0])" onMouseOut="htm()"';
            }
               
            HTML_String += '>';
            
            if (bEventFound == true) {
            	HTML_String += '<a href="calendar_day_view.php?dy=' + Day_Counter + '&mo=' + realMonth + '&yr=' + Year + '">';

                if ((Day_Counter == Today) && (Year == Current_Year) && (Month == Current_Month)) {
            	     HTML_String += '<span class="quik_calendar_current_day">' + Day_Counter + '</span>';
                } else {
	             HTML_String += Day_Counter;        	
                }

            	HTML_String += '</a>';
            } else {
                if ((Day_Counter == Today) && (Year == Current_Year) && (Month == Current_Month)) {
            	     HTML_String += '<span class="quik_calendar_current_day">' + Day_Counter + '</span>';
                } else {
	             HTML_String += Day_Counter;        	
                }
            }
            
            HTML_String += '</div></td>';

            Day_Counter++;
         }
         else {
            HTML_String += '<td class="quik_calendar_blank_day"> </td>';
         }
         Loop_Counter++;
      }
      HTML_String += '</tr>';
   }
   HTML_String += '</table></td></tr></table>';

   cross_el=ns6 ? document.getElementById("Calendar") : document.all.Calendar
   cross_el.innerHTML = HTML_String;
}

function Check_Nums() {
   if ((event.keyCode < 48) || (event.keyCode > 57)) {
      return false;
   }
}

function On_Year() {
   var Year = document.when.year.value;
   if (Year.length == 4) {
      Selected_Month = document.when.month.selectedIndex;
      Selected_Year = Year;
      Make_Calendar(Selected_Year, Selected_Month);
   }
}

function On_Month() {
   var Year = document.when.year.value;
   if (Year.length == 4) {
      Selected_Month = document.when.month.selectedIndex;
      Selected_Year = Year;
      Make_Calendar(Selected_Year, Selected_Month);
   }
   else {
      alert('Please enter a valid year.');
      document.when.year.focus();
   }
}

function Load_Calendar() {
   if (!ie4&&!ns6) {
	   return;
   }
   
   var Mid_Screen = Math.round(document.body.clientWidth / 2);
//   document.when.month.selectedIndex = Current_Month;
//   document.when.year.value = Current_Year;
   Selected_Month = Current_Month;
   Selected_Year = Current_Year;
   Make_Calendar(Current_Year, Current_Month);
}

function Skip(Direction) {
   if (Direction == '+') {
      if (Selected_Month == 11) {
         Selected_Month = 0;
         Selected_Year++;
      }
      else {
         Selected_Month++;
      }
   } else {
      if (Selected_Month == 0) {
         Selected_Month = 11;
         Selected_Year--;
      }
      else {
         Selected_Month--;
      }
   }
   Make_Calendar(Selected_Year, Selected_Month);
//   document.when.month.selectedIndex = Selected_Month;
//   document.when.year.value = Selected_Year;
}