function calc_col_sign()
{
month_t=document.main.cmbmonth.value;
date_t=document.main.cmbday.value;
switch(month_t)
{
	case "01":
				if(date_t==1)
					return "Red";
				else if(date_t>=2 && date_t<=11)
					return "Orange";
				else if(date_t>=12 && date_t<=24 )
					return "Yellow";
				else if(date_t>=25 && date_t<=31)
					return "Pink";
				break;
	case "02":
				if(date_t>=1 && date_t<=3)
					return "Pink";
				else if(date_t>=4 && date_t<=8 )
					return "Blue";
				else if(date_t>=9 && date_t<=18)
					return "Green";
				else if(date_t>=19 && date_t<=28)
					return "Brown";
				break;
	case "03":
				if(date_t>=1 && date_t<=10)
					return "Aqua";
				else if(date_t>=11 && date_t<=20 )
					return "Lime";
				else if(date_t==21)
					return "Black";
				else if(date_t>=22 && date_t<=31 )
					return "Purple";
				break;
	case "04":
				if(date_t>=1 && date_t<=10)
					return "Navy";
				else if(date_t>=11 && date_t<=20 )
					return "Silver";
				else if(date_t>=21 && date_t<=30)
					return "White";
				break;
	case "05":
				if(date_t>=1 && date_t<=14)
					return "Blue";
				else if(date_t>=15 && date_t<=24 )
					return "Gold";
				else if(date_t>=25 && date_t<=31)
					return "Cream";
				break;
	case "06":
				if(date_t>=1 && date_t<=3)
					return "Cream";
				else if(date_t>=4 && date_t<=13 )
					return "Grey";
				else if(date_t>=14 && date_t<=23)
					return "Maroon";
				else if(date_t==24)
					return "Grey";
				else if(date_t>=25 && date_t<=30)
					return "Red";
				break;
	case "07":
				if(date_t>=1 && date_t<=4)
					return "Red";
				else if(date_t>=5 && date_t<=14)
					return "Orange";
				else if(date_t>=15 && date_t<=25)
					return "Yellow";
				else if(date_t>=26 && date_t<=31)
					return "Pink";
				break;
	case "08":
				if(date_t>=1 && date_t<=4)
					return "Pink";
				else if(date_t>=5 && date_t<=13 )
					return "Blue";
				else if(date_t>=14 && date_t<=23)
					return "Green";
				else if(date_t>=24 && date_t<=31)
					return "Brown";
				break;
	case "09":
				if(date_t>=1 && date_t<=2)
					return "Brown";
				else if(date_t>=3 && date_t<=12 )
					return "Aqua";
				else if(date_t>=13 && date_t<=22)
					return "Lime";
				else if(date_t==23)
					return "Olive";
				else if(date_t>=24 && date_t<=30)
					return "Purple";
				break;
	case "10":
				if(date_t>=1 && date_t<=3)
					return "Purple";
				else if(date_t>=4 && date_t<=13 )
					return "Navy";
				else  if(date_t>=14 && date_t<=23)
					return "Silver";
				else if(date_t>=24 && date_t<=31)
					return "White";
				break;
	case "11":
				if(date_t>=1 && date_t<=11)
					return "White";
				else if(date_t>=12 && date_t<=21 )
					return "Gold";
				else if(date_t>=22 && date_t<=30)
					return "Cream";
				break;
	case "12":
				if(date_t==1)
					return "Cream";
				else if(date_t>=2 && date_t<=11 )
					return "Grey";
				else if(date_t>=12 && date_t<=21)
					return "Maroon";
				else if(date_t==22)
					return "Teal";
				else if(date_t>=23 && date_t<=31)
					return "Red";
				break;
}
}