function checkNull() {
	document.form1.frm_firstname.value=	document.form1.frm_firstname.value.trim();
	document.form1.frm_lastname.value=	document.form1.frm_lastname.value.trim();
	document.form1.frm_emailaddress.value	=	document.form1.frm_emailaddress.value.trim();
	document.form1.frm_verifyemail.value	=	document.form1.frm_verifyemail.value.trim();
	document.form1.frm_phone1.value	=	document.form1.frm_phone1.value.trim();
	document.form1.frm_address.value=	document.form1.frm_address.value.trim();
	document.form1.frm_city.value	=	document.form1.frm_city.value.trim();
	document.form1.frm_zip.value	=	document.form1.frm_zip.value.trim();
	document.form1.frm_state.value	=	document.form1.frm_state.value.trim();
	document.form1.frm_yearbuilt.value=	document.form1.frm_yearbuilt.value.trim();
	document.form1.frm_squarefeet.value=	document.form1.frm_squarefeet.value.trim();	if(document.form1.frm_firstname.value == '') {
alert('First name required.');
document.form1.frm_firstname.focus();
return false;
	}
	if(document.form1.frm_lastname.value == '') {
alert('Last name required.');
document.form1.frm_lastname.focus();
return false;
	}
	if(document.form1.frm_emailaddress.value == '') {
alert('Email address required.');
document.form1.frm_emailaddress.focus();
return false;
	}

	if(document.form1.frm_emailaddress.value != '') {
if(!emailCheck(document.form1.frm_emailaddress.value)) {
	document.form1.frm_emailaddress.value = '';
	document.form1.frm_emailaddress.focus();
	return false;
}
	}

	if(document.form1.frm_verifyemail.value == '') {
alert('Verify Email address required.');
document.form1.frm_verifyemail.focus();
return false;
	}

	if(document.form1.frm_verifyemail.value != '') {
if(!emailCheck(document.form1.frm_verifyemail.value)) {
	document.form1.frm_verifyemail.value = '';
	document.form1.frm_verifyemail.focus();
	return false;
}
	}

	if(document.form1.frm_verifyemail.value != '' && document.form1.frm_emailaddress.value != '') {
if(document.form1.frm_verifyemail.value != document.form1.frm_emailaddress.value) {
	alert('Email Addresses do not match');
	document.form1.frm_verifyemail.value	=	'';
	document.form1.frm_verifyemail.focus();
	return false;
}
	}

/*	if(document.form1.frm_phone1.value == '') {
alert('Phone Number required.');
document.form1.frm_phone1.focus();
return false;
	}*/
	if(document.form1.frm_address.value == '') {
alert('Address required.');
document.form1.frm_address.focus();
return false;
	}/*if(document.form1.frm_city.value == '') {
alert('City required.');
document.form1.frm_city.focus();
return false;
	} *//*if(document.form1.frm_zip.value == '') {
alert('Zip code required.');
document.form1.frm_zip.focus();
return false;
	}
	if(document.form1.frm_state.value == '') {
alert('State code required.');
document.form1.frm_state.focus();
return false;
	}
	if(document.form1.frm_yearbuilt.value == '') {
alert('Property Built year required.');
document.form1.frm_yearbuilt.focus();
return false;
	}

	if(document.form1.frm_yearbuilt.value != '') {
if(!IsNumeric(document.form1.frm_yearbuilt.value)) {
	alert('Numeric value required.');
	document.form1.frm_yearbuilt.value = '';
	document.form1.frm_yearbuilt.focus();
	return false;
}
	}	if(document.form1.frm_squarefeet.value == '') {
alert('Property area in square feet required.');
document.form1.frm_squarefeet.focus();
return false;
	}

	if(document.form1.frm_squarefeet.value != '') {
if(!IsNumeric(document.form1.frm_squarefeet.value)) {
	alert('Numeric value required.');
	document.form1.frm_squarefeet.value = '';
	document.form1.frm_squarefeet.focus();
	return false;
}
	} */	return true;
}