// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

var messages_form_is_checked = true;

function checkAll( list, nameofboxes, label )
{	
	for( var i = 0; i < list.elements[ nameofboxes ].length; i++ )
	{
		list.elements[ nameofboxes ][i].checked = messages_form_is_checked;
	}
	
	if( messages_form_is_checked )
		document.getElementById( label ).innerHTML = "Uncheck All";
	else
		document.getElementById( label ).innerHTML = "Check All"
		
	messages_form_is_checked = !messages_form_is_checked;
}