Select / Deselect checkbox

[Aravona]

I've been working on a select / deselect which uses a dynamically generated number of checkboxes. These checkboxes have an array as a name which some php script I have uses.

I found a solution to selecting them all here: http://www.webdeveloper.com/forum/sh...d.php?t=176011

The above solution was:

function checkAll(field) {
	for (i = 0; i < field.length; i++)
	field[i].checked = true;
}

And I echo this later on:

<input type="checkbox" name="delallchk" onclick="checkAll(document.form1[\'deleteall[]\'])"/>

I was wondering if someone could point me in the right direction as to how I'd change the select all into a select / deselect?

Thanks in advance,

Aravona

[Padonak]

function checkAll(field) {
	for (i = 0; i < field.length; i++)
	field[i].checked = (field[i].checked== true)?false:true;
}

[Aravona]

Works perfect, thank you.

[Padonak]

you welcome )

[Logic Ali]

I was wondering if someone could point me in the right direction as to how I'd change the select all into a select / deselect?

Padonak's code will act as an 'invert all'. If you wanted a select all/deselect all:

function checkAll( field, status ) 
{     
  for (var i = 0; i < field.length; i++)     
   field[i].checked = status; 
}      

<input type="checkbox" name="delallchk" onclick="checkAll( document.form1[\'deleteall[]\'], this.checked )"/>