function header_cell_over(cell) {
	cell.className = 'cellhhover';
}

function header_cell_out(cell) {
	cell.className = 'cellhinactive';
}

function header_cell_click(link) {
	window.location.href = link;
}

function popup(url,name,height,width) {
	window.open(url,name,"height="+height+",width="+width+",toolbar=no,status=no,scrollbars=yes,resizable=no");
}