function czyusun(linka){
	if(confirm("Czy napewno chcesz usunąć?")){
		location.href=linka;
	}
}
function setCheckboxes(the_form, do_check)
{
    var elts      =  document.forms[the_form].elements['selected_field[]'];
    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;
        } // end for
    } else {
        elts.checked        = do_check;
    } // end if... else

    return true;
} 

function openWindow(windowURL,windowName,windowWidth,windowHeight) {
	window.name = 'parentWnd';
	newWindow = window.open(windowURL,windowName,'width='+windowWidth+',height='+windowHeight+',toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=0');
}

var openWindow2 = openWindow;