Basic Calendar .main { width:200px; border:0px solid black; text-align:center; } .month { background-color:black; font:bold 12px verdana; color:white; } .daysofweek { background-color:gray; font:bold 12px verdana; color:white; } .days { font-size: 12px; font-family:verdana; color:black; background-color: lightyellow; padding: 2px; } .days #today{ font-weight: bold; color: red; } function buildCal(m, y, cM, cH, cDW, cD, brdr){ var mn=['January','February','March','April','May','June','July','August','September','October','November','December']; var dim=[31,0,31,30,31,30,31,31,30,31,30,31]; var oD = new Date(y, m-1, 1); //DD replaced line to fix date bug when current day is 31st oD.od=oD.getDay()+1; //DD replaced line to fix date bug when current day is 31st var todaydate=new Date() //DD added var scanfortoday=(y==todaydate.getFullYear() && m==todaydate.getMonth()+1)? todaydate.getDate() : 0 //DD added dim[1]=(((oD.getFullYear()%100!=0)&&(oD.getFullYear()%4==0))||(oD.getFullYear()%400==0))?29:28; var t='