//Patterns
var pState = /(AK|AL|AR|AZ|CA|CO|CT|DC|DE|FL|GA|HI|IA|ID|IL|IN|KS|KY|LA|MA|MD|ME|MI|MN|MO|MS|MT|NB|NC|ND|NH|NJ|NM|NV|NY|OH|OK|OR|PA|RI|SC|SD|TN|TX|UT|VA|VT|WA|WI|WV|WY)$/i;
var pNoPeople = /^\d+$/;

function checkData (){
if (document.forms[0].NoPeople.value.length ==0){
document.forms[0].NoPeople.focus()
alert("Please enter the number of people you anticipate at your event.")
return false}
if (pNoPeople.test(document.forms[0].NoPeople.value)==0){
document.forms[0].NoPeople.focus()
alert("This field should contain only numbers, please.");
return false}

}