function ShowDaysForThisTime(day,month,year) /* in param - id for  */
	{		
		var t_year = 1985;
		var t_month = 2;

		if(document.getElementById(year))
			{
				var oYear = document.getElementById(year);
				t_year = oYear.options[oYear.selectedIndex].value;
			}
		if(document.getElementById(month))
			{
				var oMonth = document.getElementById(month);
				t_month = oMonth.options[oMonth.selectedIndex].value;
				if(t_month>7)t_month++; 
			}
			
		
		if(document.getElementById(day))
		{			
			var oDays = document.getElementById(day);
			if( 0== t_month%2)
			{
			 	var oOption = oDays.options[30];
			 	if(oOption) oDays.removeChild(oOption);			
			}
			else
			{	
				
				if(!oDays.options[28])
				{
					var oOption = document.createElement("OPTION");
				 	oDays.options.add(oOption);
				 	oOption.innerHTML = "29";
				 	oOption.value = "29";	
				};
				if(!oDays.options[29])
				{
					var oOption = document.createElement("OPTION");
				 	oDays.options.add(oOption);
				 	oOption.innerHTML = "30";
				 	oOption.value = "30";	
				};
				if(!oDays.options[30])
				{
					var oOption = document.createElement("OPTION");
				 	oDays.options.add(oOption);
				 	oOption.innerHTML = "31";
				 	oOption.value = "31";	
				};			
			}
			
			if(2 == t_month )
			{		 
			 	var oOption = oDays.options[29];
			 	if(oOption) oDays.removeChild(oOption);
			 
			 	var oOption = oDays.options[28];
			 	if(!oOption)
			 	{
					if( 0 == t_year%4)
					{
						var oOption = document.createElement("OPTION");
						oDays.options.add(oOption);
			 			oOption.innerHTML = "29";
			 			oOption.value = "29";	
					};
				}
				else
				{
				    if(t_year%4)
						oDays.removeChild(oOption);
				}			 
			}			
		}
	}
// JavaScript Document