function trig_enable() {
	if (document.register.billship_same.checked) {
		document.register.bill_fname.value = document.register.ship_fname.value
		document.register.bill_lname.value = document.register.ship_lname.value
		document.register.bill_company.value = document.register.ship_company.value
		document.register.bill_addr1.value = document.register.ship_addr1.value
		document.register.bill_addr2.value = document.register.ship_addr2.value
		document.register.bill_city.value = document.register.ship_city.value
		document.register.bill_state.value = document.register.ship_state.value
		document.register.bill_zip.value = document.register.ship_zip.value
		document.register.bill_phone1.value = document.register.ship_phone1.value
		document.register.bill_phone2.value = document.register.ship_phone2.value
		document.register.bill_phone3.value = document.register.ship_phone3.value
		document.register.bill_ext.value = document.register.ship_ext.value
		
		document.register.bill_fname.disabled = true
		document.register.bill_lname.disabled = true
		document.register.bill_company.disabled = true
		document.register.bill_addr1.disabled = true
		document.register.bill_addr2.disabled = true
		document.register.bill_city.disabled = true
		document.register.bill_state.disabled = true
		document.register.bill_zip.disabled = true
		document.register.bill_phone1.disabled = true
		document.register.bill_phone2.disabled = true
		document.register.bill_phone3.disabled =true
		document.register.bill_ext.disabled = true
	}
		
	else if (document.register.billship_same.checked == false) {
		document.register.bill_fname.value = ""
		document.register.bill_lname.value = ""
		document.register.bill_company.value = ""
		document.register.bill_addr1.value = ""
		document.register.bill_addr2.value = ""
		document.register.bill_city.value = ""
		document.register.bill_state.value = ""
		document.register.bill_zip.value = ""
		document.register.bill_phone1.value = ""
		document.register.bill_phone2.value = ""
		document.register.bill_phone3.value = ""
		document.register.bill_ext.value = ""
		
		document.register.bill_fname.disabled = false
		document.register.bill_lname.disabled = false
		document.register.bill_company.disabled = false
		document.register.bill_addr1.disabled = false
		document.register.bill_addr2.disabled = false
		document.register.bill_city.disabled = false
		document.register.bill_state.disabled = false
		document.register.bill_zip.disabled = false
		document.register.bill_phone1.disabled = false
		document.register.bill_phone2.disabled = false
		document.register.bill_phone3.disabled =false
		document.register.bill_ext.disabled = false
	}
}

function enableAllFields() {
		document.register.bill_fname.disabled = false
		document.register.bill_lname.disabled = false
		document.register.bill_company.disabled = false
		document.register.bill_addr1.disabled = false
		document.register.bill_addr2.disabled = false
		document.register.bill_city.disabled = false
		document.register.bill_state.disabled = false
		document.register.bill_zip.disabled = false
		document.register.bill_phone1.disabled = false
		document.register.bill_phone2.disabled = false
		document.register.bill_phone3.disabled =false
		document.register.bill_ext.disabled = false
}