//Check or uncheck all checkboxs
function checkUncheckAll(theElement) {
     var theForm = theElement.form;
	 for (i=0; i < theForm.length; i++) {
	 	theForm[i].checked = theElement.checked;
	 }
}

//Ask before delete
function doDelete()
{
	if (confirm('Are you sure?'))
	{
		document.forms[0].action.value='delete_ticket';
		document.forms[0].submit();
	}
}