//search visibility flag variable
h = 1;
function showSearch() {
if (h == 1) {
	document.getElementById('advsearch').style.display='block';
	document.getElementById('arrow').src='image/arrowd.gif';
	h = 0;
	} else {
	document.getElementById('advsearch').style.display='none';
	document.getElementById('arrow').src='image/arrowh.gif';
	h = 1;
	}
}