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JavaScript Keyboard with images

Posted on 2010-09-14
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Last Modified: 2012-05-10
Hello,
I have a virtual keypad that doesn't work. I need this keypad (using java) when i click on image 5.gif to enter number 5, when i click 8.gif to enter number 5 into the fields etc...
This password is a 4 caracter password but each character has his own field
There are 4 fields that they need to be filled: CLAVE1 , CLAVE2, CLAVE3, CLAVE4.
The keyboard must automatically insert the pushed number into "CLAVE1"  then the second number into "CLAVE 2", then into "CLAVE3" , then into "CLAVE4".
The image b24h_reset_esp.gif must reset the inserted numbers and  b24h_submit.gif must submit the form.

Here is my html body:

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>New Page 1</title>
</head>

<body>



                <table cellspacing="0" cellpadding="0" width="150" border="0" id="table1">
                        <tr height="30">
                            <td align="center" colspan="5">
                            <table border="0" id="table2">
                                <tbody>
                                    <tr>
                                        <td>
                                                            <input style="text-align: center" disabled="disabled" maxlength="1" size="1" name="CLAVE1" /></td>
                                        <td>
                                                            <input style="text-align: center" disabled="disabled" maxlength="1" size="1" name="CLAVE2" /></td>
                                        <td>
                                                            <input style="text-align: center" disabled="disabled" maxlength="1" size="1" name="CLAVE3" /></td>
                                        <td>
                                                            <input style="text-align: center" disabled="disabled" maxlength="1" size="1" name="CLAVE4" /></td>
                                    </tr>
                                </tbody>
                            </table>
                            </td>
                        </tr>
                        <tr height="25">
                            <td>
                                          <img border="0" name="bA1" width="19" height="17" alt="img" src="1.gif"></td><td>
                                          <img border="0" name="bA2" width="19" height="17" alt="img" src="2.gif"></td><td>
                                          <img border="0" name="bA3" width="19" height="17" alt="img" src="3.gif"></td><td>
                                          <img border="0" name="bA4" width="19" height="17" alt="img" src="4.gif"></td><td>
                                          <img border="0" name="bA5" width="19" height="17" alt="img" src="5.gif"></td>
                        </tr>
                        <tr height="25">
                            <td>
                                          <img border="0" name="bB1" width="19" height="17" alt="img" src="6.gif"></td><td>
                                          <img border="0" name="bB2" width="19" height="17" alt="img" src="7.gif"></td><td>
                                          <img border="0" name="bB3" width="19" height="17" alt="img" src="8.gif"></td><td>
                                          <img border="0" name="bB4" width="19" height="17" alt="img" src="9.gif"></td><td>
                                          <img border="0" name="bB5" width="19" height="17" alt="img" src="0.gif"></td>                            
                        </tr>
                        <tr>
                            <td align="center" colspan="5">
                            <table cellspacing="0" cellpadding="0" align="center" border="0" id="table3">
                                <tbody>
                                    <tr>
                                        <td align="left">
                                                            <img alt="borrar" border="0" src="b24h_reset_esp.gif" /></td>
                                        <td width="10"> </td>
                                        <td align="right">
                                                            <img alt="Enviar" border="0" src="b24h_submit.gif" /> </td>
                                    </tr>
                                </tbody>
                            </table>
                            </td>
                        </tr>
                </table>
                 

</body>

</html>
0
Comment
Question by:kparedo
  • 3
  • 3
7 Comments
 
LVL 15

Expert Comment

by:StealthyDev
ID: 33670926
Dear Author, I personally think that the points allocated for this question is too less to read the question.
0
 

Author Comment

by:kparedo
ID: 33671084
Yes i know but i'm new and i don't know how to change the allocated points.
0
 

Author Comment

by:kparedo
ID: 33671087
500 points now available.
Thanks
0
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More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

 
LVL 15

Accepted Solution

by:
StealthyDev earned 500 total points
ID: 33671702
Hi again!

I have asked you to increase the points, because experts wont look into question with less points.

Anyways, I have now done something like what you expect.

Have a look at this:
<html>



<head>

<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">

<title>New Page 1</title>

</head>

<script>

	var NumVal = "";

	function numberPressed(NumKey){

		if(NumVal.length < 5)

		{

			NumVal += "" + NumKey;

		}

		document.getElementById("CLAVE1").value = NumVal.substr(0,1);

		document.getElementById("CLAVE2").value = NumVal.substr(1,1);

		document.getElementById("CLAVE3").value = NumVal.substr(2,1);

		document.getElementById("CLAVE4").value = NumVal.substr(3,1);

	}

	function numberReset(){

		NumVal = "";

		MyFrm.reset();

	}

	function numberSubmit(){

		MyFrm.submit();

	}

</script>

<body>





<form name="MyFrm" action="index.html" method="get"> <!-- give the destination page in action -->

<table cellspacing="0" cellpadding="0" width="150" border="0" id="table1">

<tr height="30">

<td align="center" colspan="5">

<table border="0" id="table2">

<tbody>

<tr>

<td>

<input style="text-align: center" readonly maxlength="1" size="1" name="CLAVE1" id="CLAVE1" /></td>

<td>

<input style="text-align: center" readonly maxlength="1" size="1" name="CLAVE2" id="CLAVE2" /></td>

<td>

<input style="text-align: center" readonly maxlength="1" size="1" name="CLAVE3" id="CLAVE3" /></td>

<td>

<input style="text-align: center" readonly maxlength="1" size="1" name="CLAVE4" id="CLAVE4" /></td>

</tr>

</tbody>

</table>

</td>

</tr>

<tr height="25">

<td>

<img border="0" name="bA1" width="50" height="25" alt="1" src="1.gif" onclick="numberPressed(1)"></td><td>

<img border="0" name="bA2" width="50" height="25" alt="2" src="2.gif" onclick="numberPressed(2)"></td><td>

<img border="0" name="bA3" width="50" height="25" alt="3" src="3.gif" onclick="numberPressed(3)"></td><td>

<img border="0" name="bA4" width="50" height="25" alt="4" src="4.gif" onclick="numberPressed(4)"></td><td>

<img border="0" name="bA5" width="50" height="25" alt="5" src="5.gif" onclick="numberPressed(5)"></td>

</tr>

<tr height="25">

<td>

<img border="0" name="bB1" width="50" height="25" alt="6" src="6.gif" onclick="numberPressed(6)"></td><td>

<img border="0" name="bB2" width="50" height="25" alt="7" src="7.gif" onclick="numberPressed(7)"></td><td>

<img border="0" name="bB3" width="50" height="25" alt="8" src="8.gif" onclick="numberPressed(8)"></td><td>

<img border="0" name="bB4" width="50" height="25" alt="9" src="9.gif" onclick="numberPressed(9)"></td><td>

<img border="0" name="bB5" width="50" height="25" alt="0" src="0.gif" onclick="numberPressed(0)"></td>                            

</tr>

<tr>

<td align="center" colspan="5">

<table cellspacing="0" cellpadding="0" align="center" border="0" id="table3">

<tbody>

<tr>

<td align="left">

<img alt="reset" border="0" src="b24h_reset_esp.gif" onclick="numberReset()" /></td>

<td width="10"> </td>

<td align="right">

<img alt="submit" border="0" src="b24h_submit.gif" onclick="numberSubmit()" /> </td>

</tr>

</tbody>

</table>

</td>

</tr>

</table>



</form>

</body>



</html>

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0
 
LVL 1

Expert Comment

by:wsgarvey
ID: 33672913
We have made fairly extensive use of onscreen keyboards.  Below is an example of one of them.

senthurpandian's comment above identifies the way you capture the keypress: using an onclick event on the image.

An alternative is to use a single image of the keyboard with an image map to capture the selected key.  Also, if you are using an actual touchscreen, then consider using the onmousedown event.

kb-example.jpg
0
 

Author Comment

by:kparedo
ID: 33674238
senthurpandian >
Your solution works fine but when i integrate it in my html code it only works in Internet Explorer. In Firefox don't work..
If i run just the code you have me it works perfectly in Firefox too..but after i put it in my html page only in IE...
0
 
LVL 15

Expert Comment

by:StealthyDev
ID: 33679028
@author: please give us your integrated code, we will make it work in Firefox also...

Regards
0

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