function age_limit()
{


	  	var eday = document.frmRegistration.dd.value;
		var emonth = document.frmRegistration.mm.value;
		var eyear = document.frmRegistration.yy.value;
	  	
	  	var dtoday=new Date();
	  	var year=dtoday.getFullYear();
	  	var mon=dtoday.getMonth();
	  	var today=dtoday.getDate();
	  	var month=mon+1;
	  	var da=year-18;
	  	var hund = year-100;


	 	/**************Chk year entered less than or equal to the da******************/
		if(eday=='' && emonth==''&& eyear=='')
		{
			document.getElementById("age_error").innerHTML="Please select date of birth.";
		}
		else if(eday==''|| emonth==''||eyear=='')
		{
			document.getElementById("age_error").innerHTML="Please select valid date of birth.";
		}
		else if(eyear > da)
	  	{
		 	document.getElementById("age_error").innerHTML="You must be 18 or above to be a member.";
			//doc.cmb_date_of_birth.focus();
		
			return false;  
	  	}else if(eyear <= hund)
		{
		 	document.getElementById("age_error").innerHTML="You can not be older than 100 years.";
			//doc.cmb_date_of_birth.focus();
			return false;  
		}
	  	else if(da == eyear)/*********************Year entered is equal to the enteredd year**************************/
			{
 	 	/*********************month entered is equal to or less than the enteredd month**************************/
				if(month <= emonth)
				{
		/*********************today entered is equal to or greater than the enteredd today**************************/
					if(eday >= today)
					{
						document.getElementById("age_error").innerHTML="You must be 18 or above to be a member.";
					 	return false;
					}
	  	 			else
	 				{
						document.getElementById("age_error").innerHTML = "";
	 				}
				}
			}		
	  	 	else
	 		{
				document.getElementById('age_error').style.display = "none";
	 		}
 

}