function toForm() {
document.form.firstname.focus();
// Replace field1 in the script with the field name of which you want to place the focus.
}
//  End -->

var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) {
var keyCode = (isNN) ? e.which : e.keyCode; 
var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
if(input.value.length >= len && !containsElement(filter,keyCode)) {
input.value = input.value.slice(0, len);
input.form[(getIndex(input)+1) % input.form.length].focus();
}
function containsElement(arr, ele) {
var found = false, index = 0;
while(!found && index < arr.length)
if(arr[index] == ele)
found = true;
else
index++;
return found;
}
function getIndex(input) {
var index = -1, i = 0, found = false;
while (i < input.form.length && index == -1)
if (input.form[i] == input)index = i;
else i++;
return index;
}
return true;
}




function checkInput(form) {
	//define variables
	result=true;
	errorMsg="The following required fields are missing or invalid\n";
	
	
	//check input parameters
	//validate first name
	if(form.firstname.value=="" || form.firstname.value==" ") {
		errorMsg += "- Please enter your first name\n";
		form.firstname.focus();
result=false;
	}
	//validate last name
	if(form.lastname.value=="" || form.lastname.value==" ") {
		errorMsg += "- Please enter your last name\n";
		if (result)     {
                                           form.lastname.focus();
                                                        }
result=false;
	}
	//validate account number
	if(form.acctnbr.value=="" || form.acctnbr.value==" ") {
		errorMsg += "- Please enter your account number\n";
		if (result)     {
                                           form.acctnbr.focus();
                                                        }

result=false;
	}
	//validate address
	if(form.serviceaddone.value=="" || form.serviceaddone.value==" ") {
		errorMsg += "- Please enter a service address\n";
		if (result)     {
                                           form.serviceaddone.focus();
                                                        }

result=false;
	}
	//validate city
	if(form.servicecity.value=="" || form.servicecity.value==" ") {
		errorMsg += "- Please enter your city\n";
		if (result)     {
                                           form.servicecity.focus();
                                                        }

result=false;
	}
	//validate state
	if ((form.servicestate.value.length>0) && ((!isNaN(form.servicestate.value.charAt(0))) || (!isNaN(form.servicestate.value.charAt(1)))  || (form.servicestate.value.length < 2)))                                                                                         {
		errorMsg+= "- Please enter a valid state\n";
		result= false;
	}
	//validate zipcode
	if( (form.servicezipcode.value.length<5) || (isNaN(form.servicezipcode.value))  ) {
		errorMsg += "- Please enter a valid zip code\n";
		if (result)     {
                                           form.servicezipcode.focus();
                                                        }

result=false;
	}
                      //validate zip code extension
	if (form.serviceplusfour.value.length>0) {
                               if (isNaN(form.serviceplusfour.value) || (form.serviceplusfour.value.length<4)) {
		errorMsg += "- Please enter a valid zip code extension\n";
		if (result)     {
                                           form.serviceplusfour.focus();
                                                        }

result=false;
                               }
	}
	if(form.email.value.length==0) {
		errorMsg += "- Please enter a valid e-mail address\n";
		if (result)     {
                                           form.email.focus();
                                                        }

result= false;
	} else if(form.email.value.indexOf("@")==-1) {
		errorMsg += "- Please enter a valid e-mail address\n";
		if (result)     {
                                           form.email.focus();
                                                        }

result= false;
	} else if( (form.email.value.indexOf(".", form.email.value.indexOf("@"))==-1) ) {
	  errorMsg += "- Please enter a valid e-mail address\n";
	if (result)     {
                                           form.email.focus();
                                                        }
	
result= false;
	}
	//validate day time phone number
	if( (form.dayareacode.value.length<3) || (form.daycitycode.value.length<3) || (form.dayextension.value.length<4) ) {
		errorMsg += "- Please enter a valid daytime phone number\n";
		if (result)     {
                                           form.dayareacode.focus();
                                                        }

result=false;
	} else if ( (isNaN(form.dayareacode.value)) || (isNaN(form.daycitycode.value)) || (isNaN(form.dayextension.value)) ) {
		errorMsg += "- Please enter a valid daytime phone number\n";
		if (result)     {
                                           form.dayareacode.focus();
                                                        }

result=false;
	}
	//validate state for address change
	if ((form.mailstate.value.length>0) && ((!isNaN(form.mailstate.value.charAt(0))) || (!isNaN(form.mailstate.value.charAt(1)))  || (form.mailstate.value.length < 2)))                                                                                         {
		errorMsg+= "- Please enter a valid state for your address change\n";
		result= false;
	}
	//validate zip code for address change
	if( (form.mailzipcode.length>0) && (form.mailzipcode.value.length<5) || (isNaN(form.mailzipcode.value))  ) {
		errorMsg += "- Please enter a valid zip code for your address change\n";
		result=false;
	}
                      //validate zip code extension for address change
	if (form.mailplusfour.value.length>0) {
                               if (isNaN(form.mailplusfour.value) || (form.mailplusfour.value.length<4)) {
		errorMsg += "- Please enter a valid zip code extension for your address change\n";
		result=false;
                               }
	}
	//validate home phone number for info change
	if ( ((form.homeareacode.value.length>0) && (isNaN(form.homeareacode.value) || (form.homeareacode.value.length<3))) || 
                          ((form.homecitycode.value.length>0) && (isNaN(form.homecitycode.value) || (form.homecitycode.value.length<3))) || 
                           ((form.homeextension.value.length>0) && (isNaN(form.homeextension.value) || (form.homeextension.value.length<4))) ) {
		errorMsg += "- Please enter a valid phone number for your home phone number change\n";
		result=false;
	}
	//validate business phone number
	if ( ((form.busareacode.value.length>0) && (isNaN(form.busareacode.value) || (form.busareacode.value.length<3))) || 
                           ((form.buscitycode.value.length>0) && (isNaN(form.buscitycode.value) || (form.buscitycode.value.length<3))) || 
                           ((form.busextension.value.length>0) && (isNaN(form.busextension.value) || (form.busextension.value.length<4))) ||
                           ((form.busextn.value.length>0) && isNaN(form.busextn.value))  ) {
		errorMsg += "- Please enter a valid phone number for your business phone number change\n";
		result=false;
	}
	
	//test results
	if(result==false) {
		alert(errorMsg);
	} else {
		form.submit();
	}
}

function verifyCancel() {
  if ( confirm("If you cancel, your information will not be saved.\nAre you sure you wish to cancel?") ) {
    location.replace("/eprise/main/piedmontng/cancelPage");
  }
}