Forms >>> Block Key Press.


		<script 
		language="javascript"
		type="text/javascript">

		/* Visit http://www.yaldex.com/ 
		for full source code

		and get more free JavaScript, CSS and DHTML scripts! */

		ie 
		=
		(document.all)
		?
		1
		:
		0;

		n 
		=
		!ie;

		Comment 
		=
		false;

		Email 
		=
		false;

		PostalCode 
		=
		false;

		

		

		function 
		Go(){

		
		document.onkeypress
		= 
		keyDown;

		if
		(n)
		{

		    
		document.captureEvents(Event.KEYPRESS);

		}

		}

		

		function 
		keyDown(e)
		{

		var 
		keycode;

		if
		(window.event) 
		keycode =
		window.event.keyCode;

		else
		if
		(e) 
		keycode = 
		e.which;

		else
		return
		true;

		if
		(Comment)
		{

		

		    
		if
		((keycode
		>
		32
		&& 
		keycode <
		48)
		||
		(keycode
		>
		57
		&& 
		keycode <
		65)
		||
		(keycode
		>
		90
		&& 
		keycode <
		97))

		    
		{

		        
		return
		false;

		    
		}

		}

		

		else
		if
		(Email)
		{

		

		    
		if
		(keycode==34
		|| 
		keycode==39)

		    
		{

		        
		return
		false;

		    
		}

		}

		else
		if
		(PostalCode)
		{

		

		    
		if
		(keycode
		<
		45
		|| 
		keycode >
		57)

		    
		{

		        
		return
		false;

		    
		}

		}

		//else return true;

		}

		</script>

		

		<form
		onSubmit="return 
		false;">

		<b>This 
		field will not accept special characters: (like !@#$%^&* etc)<br></b>

		<textarea
		rows=2
		cols=20
		name=comments
		onKeyPress="Comment 
		= true; Email = false; PostalCode = false; Go();"></textarea>

		<br>

		<br>

		This field will not accept double or 
		single quotes:<br>

		<input
		type=text
		name=txtEmail
		onKeypress="Comment 
		= false; Email = true; PostalCode = false; Go();">

		<br>

		<br>

		This field will only accept numbers:<br>

		<input
		type=text
		name=txtPostalCode
		onKeypress="Comment 
		= false; Email = false; PostalCode = true; Go();">

		</form>