function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}  

function name(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The name field has not been filled in.\n"
  }
return error;	  
}

function state(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The state field has not been filled in.\n"
  }
return error;	  
}

function address(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The address field has not been filled in.\n"
  }
return error;	  
}

function city(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The city field has not been filled in.\n"
  }
return error;	  
}

function zip(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The zip field has not been filled in.\n"
  }
return error;	  
}

function contact(strng) {
var error = "";
  if (strng == "") {
     error = "The contact method must be chosen.\n"
  }
return error;	  
}


function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the Available Capital list.\n";
    }    
return error;
}