//DEALER LOCATOR - US ZIP CODE FORM VALIDATION function isNum(passedVal) { if (passedVal == "") { return false; } for (i=0; i "9") { return false; } } return true; } function validZip(inZip) { if (inZip == "") { return true; } if (isNum(inZip)) { return true; } return false; } //ZIP CODE LOCATOR function submitZipCode(dealerlocator) { if (dealerlocator.zipcode.value == "") { alert("You must enter a U.S. Zip Code") dealerlocator.zipcode.focus() dealerlocator.zipcode.select() return false; } if (!validZip(dealerlocator.zipcode.value)) { alert("That is an invalid Zip Code") dealerlocator.zipcode.focus() dealerlocator.zipcode.select() return false; } return true; } //DEALER LOCATOR BY DEALER NAME function submitDealerName(dealerfind) { if (dealerfind.dealername.value == "") { alert("You must enter a U.S. Dealer Name") dealerfind.dealername.focus() //dealerfind.dealername.select() return false; } if (dealerfind.state.selectedIndex == "") { alert("You must select a State") dealerfind.state.focus() //dealerfind.state.select() return false; } return true; } //DEALER LOCATOR BY CITY function submitCity(dealerfind) { if (dealerfind.state.selectedIndex == 0) { alert("You must select a State") dealerfind.state.focus() //dealerfind.state.select() return false; } if (dealerfind.city.selectedIndex == "") { alert("You must select a City") dealerfind.city.focus() //dealerfind.city.select() return false; } return true; } //DEALER LOCATOR BY CITY - Check to make sure user does not select another state while cities are currently populated function checkCity() { var s = document.dealerfind.state.selectedIndex; var c = document.dealerfind.city.selectedIndex; //check the form only if a state is already selected if (c != 0) { //so since a state is already selected, then reset the city to default value if (s != 0) { document.dealerfind.city.options[0].selected = true; dealerfind.submit(); } } }