

<!-- validateText-->
function validateText(inputValue, id){
var includeText = " 'qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"
var includeTextSplitted = includeText.split("");
var inputTextSplitted = inputValue.split("");
var error = new Array();

	for (i=0;i<inputTextSplitted.length;i++){
		error[i] = 'y';
	}
	for (x=0;x<inputTextSplitted.length;x++){
		for (y=0;y<includeTextSplitted.length;y++){
			if (inputTextSplitted[x] == includeTextSplitted[y]){
				error[x] = 'n';
			}			
		}
	}
	for (i=0;i<inputTextSplitted.length;i++){
		if (error[i] == 'y'){
			alert("Please enter a correct value!");	
			field = "";
			document.getElementById(id).value=field;
			break;
		}
	}
}
<!--***end*** validateText-->


<!-- validateNumber-->
function validateNumber(inputValue, id){
var includeText = "0123456789"
var includeTextSplitted = includeText.split("");
var inputTextSplitted = inputValue.split("");
var error = new Array();

	for (i=0;i<inputTextSplitted.length;i++){
		error[i] = 'y';
	}
	for (x=0;x<inputTextSplitted.length;x++){
		for (y=0;y<includeTextSplitted.length;y++){
			if (inputTextSplitted[x] == includeTextSplitted[y]){
				error[x] = 'n';
			}			
		}
	}
	for (i=0;i<inputTextSplitted.length;i++){
		if (error[i] == 'y'){
			alert("Please enter an integer");	
			field = "";
			document.getElementById(id).value=field;			
			break;
		}
	}
}
<!--***end*** validateNumber-->


<!-- validateEmail-->
function validateEmail(inputValue, id){
var includeText = "@.";
var includeTextSplitted = includeText.split("");
var inputTextSplitted = inputValue.split("");
var pass_count = 0;

	for (x=0;x<inputTextSplitted.length;x++){
		for (y=0;y<includeTextSplitted.length;y++){
			if (inputTextSplitted[x] == includeTextSplitted[y]){
				pass_count ++;
			}			
		}
	}
		
		//error message if @ or . is missing
		if (pass_count < 2){
			alert("Please enter a valid e-mail address");	
			field = "";
			document.getElementById(id).value=field;
		}
	
}
<!--***end*** validateEmail-->


<!-- checkillegalcharacters-->
function checkillegalcharacters(inputValue, id){
var illegalText = "><";
var illegalTextSplitted = illegalText.split("");
var inputTextSplitted = inputValue.split("");
var illegal_count = 0;

	for (x=0;x<inputTextSplitted.length;x++){
		for (y=0;y<illegalTextSplitted.length;y++){
			if (inputTextSplitted[x] == illegalTextSplitted[y]){
				illegal_count ++;
			}			
		}
	}
		
		//error message if @ or . is missing
		if (illegal_count > 0){
			alert("Please enter again");	
			field = "";
			document.getElementById(id).value=field;
		}
	
}
<!--***end*** checkillegalcharacters-->


function validateRegistrationForm(){
	with(document.registration_form){
		if(email_first_name.value == ""){
			alert("Please enter your first name.");
			email_first_name.focus();
			return false;
		} else if(email_last_name.value == ""){
			alert("Please enter your last name.");
			email_last_name.focus();
			return false;
		} else if(email_address.value == ""){
			alert("Please enter your e-mail address.");
			email_address.focus();
			return false;
		} else if(email_username.value == ""){
			alert("Please choose a username.");
			email_username.focus();
			return false;			
		} else if(email_password.value == ""){
			alert("Please choose a password.");
			email_password.focus();
			return false;		
		} else if(email_zip.value == ""){
			alert("Please enter your zip code.");
			email_zip.focus();
			return false;								
		}else {
			return true;
		}
	}
};


<!--CHECKS TO SEE IF TITLE AND NOTE IS ENTERED ALONG WITH A PHOTO-->
function validateMyRegistrationForm(){
	if (document.my_registration_form.thefile.value != ""){
		if (document.my_registration_form.entry_title.value == ""){
			alert("Please enter a title.");
			document.my_registration_form.entry_title.focus();
			return false;	
		}
		if (document.my_registration_form.entry_note.value == ""){
			alert("Please enter a caption.");
			document.my_registration_form.entry_note.focus();
			return false;	
		}
	}
};
<!--*** end ** CHECKS TO SEE IF TITLE AND NOTE IS ENTERED ALONG WITH A PHOTO-->


<!--CHECKS TO SEE HOW MANY WORDS ARE ENTERED-->
function countWords(value){
	var maxWords = 100;
	var countWords = 0;
	s = new String(value);
	for (i=0;i<11;i++){
		var s = s.replace("  ", " ");
	}
	var s_array=s.split(" ");
	if (s_array.length > maxWords){
		var note = "";
		alert("You have " + s_array.length + " words.");	
		note = s_array[0];
		for (i=1;i<maxWords;i++){
			if (s_array[i] != undefined){
				note = note + " " + s_array[i];
			}
		}
		document.my_registration_form.entry_note.value = note;
	}
}
<!-- ***end*** CHECKS TO SEE HOW MANY WORDS ARE ENTERED-->