function checknumeric(field)
{
	var numericExpression = /^[0-9]+$/; 
	if(numericExpression.test(field))
	{
		return true;
	}
	else
	{
		return false;
	}		
}

function checkform()
{
	
		if(document.ajaxform.txtusername.value=="")
		{
			alert("Please enter a screen name. ");
			document.ajaxform.txtusername.focus()
			return false;
		}
		
	
		
		if(document.ajaxform.txtfname.value=="")
		{
			alert("Please enter your first name.");
			document.ajaxform.txtfname.focus();
			return false;
		}
		
		if(document.ajaxform.txtlname.value=="")
		{
			alert("Please enter your last name.");
			document.ajaxform.txtlname.focus();
			return false;
		}
		

		if(document.ajaxform.txtemail.value=="")
		{
			alert("Please enter your email address. ");
			document.ajaxform.txtemail.focus();
			return false;
		}	
		
		if(document.ajaxform.txtuserpass.value=="")
		{
			alert("Please enter a password.");
			document.ajaxform.txtuserpass.focus();
			return false;
		}
		
		if((document.ajaxform.txtuserpasscheck.value=="") ||(document.ajaxform.txtuserpasscheck.value!=document.ajaxform.txtuserpass.value)) 
		{
			alert("Passwords do not match. Please try again.");
			document.ajaxform.txtuserpasscheck.focus();
			return false;
		}
		
		if(!document.ajaxform.chkpolicy.checked)
		{
			alert("You must agree to FilmClick's terms of service and privacy policy to register. ");
			return false;
		}

		if((!document.ajaxform.optgender[0].checked) && (!document.ajaxform.optgender[1].checked)) 
		{
			alert("Please select a gender. ");
			return false;
		}
		
	
}