Clear the value if unchecked the checkbox

this is the code that i have copy:i tried to add new function on it,... the function is if the checkbox is unchecked the value inputed by the user will be clear... how to do that..

thanks in advance!!!

Expand|Select|Wrap|Line Numbers

 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">
 
<html>
 
<head>

<title></title>

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

<!--

// by Vic Phillips http://www.vicsjavascripts.org.uk/
 
function Disable(obj,state){

    clds=obj.parentNode.childNodes;

    if (!obj.ary){

    obj.ary=new Array();

        for (i1=0;i1<clds.length;i1++){

            if (clds[i1].tagName=='INPUT'){

                obj.ary[obj.ary.length]=clds[i1];

                }

        }

    }

    for (i=0;i<obj.ary.length;i++){

        obj.ary[i].removeAttribute('disabled');

    }

    if (obj.checked==state){

        for (i1=0;i1<obj.ary.length;i1++){

            obj.ary[i1].setAttribute('disabled','disabled');

        }

    }

    obj.removeAttribute('disabled');
 
}
 
//-->

</script>
 
</head>
 
<body>

<span>

<input type="checkbox" name="" onclick="Disable(this,false);" >

<input type="text" name="" disabled="disabled" >

<input type="text" name="" disabled="disabled" >

<input type="text" name="" disabled="disabled" >

</span><br />
 
</body>
 
</html>

Apr 5 '08 #1

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 //To clear a textbox

textbox.value = ""; // where textbox is a reference to the textbox

To check if checkbox is unchecked

if (!obj.checked) { ...

Apr 5 '08 #2

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