Dynamic Drive DHTML Scripts- Dynamic Calendar II

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Dynamic Calendar II

Author: Jason Moon | Homepage

Note: Script modified by Dynamicdrive.com to display calendar inline (instead of absolutely)

Description: An extremely versatile DHTML calendar that's functional in IE4+ and NS6+.

Demo:

Directions:

Step 1: Insert the below into the <head> section of your page:

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<script language="JavaScript"> /* 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 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 BORDER=4 CELLSPACING=1 cellpadding=2 FRAME="box" BGCOLOR="C0C0C0" BORDERCOLORLIGHT="808080">'; HTML_String += '<tr><th colspan=7 BGCOLOR="FFFFFF" BORDERCOLOR="000000">' + Heading + '</font></th></tr>'; HTML_String += '<tr><th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">Sun</th><th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">Mon</th><th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">Tue</th><th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">Wed</th>'; HTML_String += '<th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">Thu</th><th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">Fri</th><th ALIGN="CENTER" BGCOLOR="FFFFFF" BORDERCOLOR="000000">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])) { if ((Day_Counter == Today) && (Year == Current_Year) && (Month == Current_Month)) { HTML_String += '<td BGCOLOR="FFFFFF" BORDERCOLOR="000000"><strong><font color="red">' + Day_Counter + '</font></strong></td>'; } else { HTML_String += '<td BGCOLOR="FFFFFF" BORDERCOLOR="000000">' + Day_Counter + '</td>'; } Day_Counter++; } else { HTML_String += '<td BORDERCOLOR="C0C0C0"> </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 Defaults() { 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; } </script>

Step 2: Insert the below into the <body> section of your page where you wish the calendar to appear:

Step 3: Last but not least, add the following to the <body> tag itself, like so:

<body onLoad="Defaults()">

Viola!