function setCheckboxes(the_form, do_check)
{
    var elts      = (typeof(document.forms[the_form].elements['slett[]']) != 'undefined')
                  ? document.forms[the_form].elements['slett[]']
                  : (typeof(document.forms[the_form].elements['slett[]']) != 'undefined')
          ? document.forms[the_form].elements['slett[]']
          : document.forms[the_form].elements['slett[]'];
    var elts_cnt  = (typeof(elts.length) != 'undefined')
                  ? elts.length
                  : 0;

    if (elts_cnt) {
        for (var i = 0; i < elts_cnt; i++) {
            elts[i].checked = do_check;
        }
    } else {
        elts.checked        = do_check;
    }

    return true;
}

function popitup(url) {
	
	newwindow=window.open(url,'name','height=400,width=400');
	if (window.focus) {newwindow.focus()}
	return false;

}