function checkformfill(affiliates)
{
validRegExp = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
strEmail = document.affiliates.email.value;	
ifirstname = eval('document.' + 'affiliates' + '.firstname.value'); 
ilastname = eval('document.' + 'affiliates' + '.lastname.value'); 
icompany = eval('document.' + 'affiliates' + '.company.value');
iairportcity = eval('document.' + 'affiliates' + '.airportcity.value'); 
iaddress1 = eval('document.' + 'affiliates' + '.address1.value');
icity = eval('document.' + 'affiliates' + '.city.value');
istate = eval('document.' + 'affiliates' + '.state.value');
izip = eval('document.' + 'affiliates' + '.zip.value');
iphone = eval('document.' + 'affiliates' + '.phone.value');
ifleet = eval('document.' + 'affiliates' + '.fleet.value');
iyears = eval('document.' + 'affiliates' + '.years_in_business.value');


if (strEmail.search(validRegExp) == -1) 
		{ alert("Your Email address appears to be formatted incorrectly");
			document.affiliates.email.focus();
		 return false; } 
if((ifirstname == ""))
 	  	{ alert("Please enter your First Name.")
  	 		document.affiliates.firstname.focus();
    	 return false; }
if((ilastname == ""))
 	  	{ alert("Please enter your Last Name.")
  	 		document.affiliates.lastname.focus();
    	 return false; }
if((icompany == ""))
 	  	{ alert("Please enter the Company name.")
  	 		document.affiliates.company.focus();
    	 return false; }			 
if((iairportcity == ""))
 	  	{ alert("Please enter the Airport and City you serve.")
  	 		document.affiliates.airportcity.focus();
    	 return false; }
if((iaddress1 == ""))
  		{ alert("Please enter your Mailing Address.")
  	 		document.affiliates.address1.focus();
	 	 return false; }		  
if((icity == ""))
		{ alert("Please enter your Mailing City.")
			document.affiliates.city.focus();
		  return false; }
if((istate == ""))
		{ alert("Please enter your Mailing State.")
			document.affiliates.state.focus();
		  return false; }	 
if((izip == ""))
		{ alert("Please enter your Mailing Zip.")
			document.affiliates.zip.focus();
		  return false; }		   	  	  
if((iphone == ""))
		{ alert("Please enter your Phone number in case of questions.")
			document.affiliates.phone.focus();
		  return false; }
if((ifleet == ""))
		{ alert("Please enter your Fleet size.")
			document.affiliates.fleet.focus();
		  return false; }		  
if((iyears == ""))
		{ alert("Please enter the number of years in business.")
			document.affiliates.years_in_business.focus();
		  return false; }		  
//end function		  
return true;
}