function sf(){
	document.loginform.username.focus();
}

var popupWindow; var url; var name;
function popup(url, name) {
	var size;
	if (name == 'offers_filter') {
		size = "width=280,height=400,";
	} else {
		size = "width=680,height=600,";
	}
	popupWindow = window.open(url,name,size+"resizable,scrollbars=yes,top="+((screen.height/2)-(680/2))+",left=150");
	if (popupWindow) {
		popupWindow.focus();
		return false;
	} else {
		return true;
	}
}

function srHide() {
	document.getElementById('search-results').style.visibility = 'hidden';
}
function srBlur() {
	setTimeout("srHide()", 200);
}

var checkflag = false;
function check_all(field) {
    if (checkflag == false) {
		return check_on(field);
    } else {
		return check_off(field);
    }
}

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

function check_off(field) {
    for (i = 0; i < field.length; i++) {
        field[i].checked = false;
    }
    checkflag = false;
    return true;
}