function popup(href) {
	window.open(href);
	return false;
}

var filterHidden = false;

function filterParams() {
	var filterDiv = document.getElementById('filterparams');
	//filterDiv.style.position = 'absolute';
	var filterTable = filterDiv.getElementsByTagName('table');
	var filterTableHead = document.getElementById('filterhead');
	//var filterTableHead = filterDiv.getElementsByTagName('thead');
	//alert(filterTableHead);
	//filterTableHead.style.display = 'none';
	var filterTableBody = document.getElementById('filterbody');
	//var filterTableBody = filterDiv.getElementsByTagName('tbody');
	//alert(filterTableBody);
	//filterTableBody.style.display = 'none';
	filterToggle();
	//alert(filterTableBody);
	addEvent(filterTableHead, 'click', filterToggle);
}

function filterToggle() {
	var filterTableBody = document.getElementById('filterbody');
	if (filterHidden) {
		filterTableBody.style.display = 'block';
		filterTableBody.style.visibility = 'visible';
	} else {
		filterTableBody.style.display = 'none';
		filterTableBody.style.visibility = 'hidden';
	}
	filterHidden = !filterHidden;
}

function filterHide() {

}