function validate_required(field,alerttxt) {
	with (field) {
		if (value==null||value=="")
		  {alert(alerttxt);return false}
		else {return true}
	}
}
function validate_form(thisform) {
	with (thisform) {
		if (validate_required(txtName,"Name must be filled out!")==false)
		  {txtName.focus();return false}
		if (validate_required(txtEmail,"Email must be filled out!")==false)
		  {txtEmail.focus();return false}
		if (validate_required(txtCompany,"Company must be filled out!")==false)
		  {txtCompany.focus();return false}
		if (validate_required(txtTitle,"Title must be filled out!")==false)
		  {txtTitle.focus();return false}
		if (validate_required(txtPhone,"Phone must be filled out!")==false)
		  {txtPhone.focus();return false}
		if (validate_required(txtAddress,"Address must be filled out!")==false)
		  {txtAddress.focus();return false}
		if (validate_required(txtCity,"City must be filled out!")==false)
		  {txtCity.focus();return false}
		if (validate_required(txtState,"State must be filled out!")==false)
		  {txtState.focus();return false}
		if (validate_required(txtZip,"Zip must be filled out!")==false)
		  {txtZip.focus();return false}
		if (validate_required(txtAreMember,"Are you a member select Yes or No!")==false)
		  {txtAreMember.focus();return false}
		if (validate_required(txtConference,"Select a conference date!")==false)
		  {txtConference.focus();return false}
	}
}