function openCentredWindow(inURL, inName, inHeight, inWidth, inScrollbars, inResizeable) {
	window.open (inURL, inName, 'resizable='+inResizeable+',scrollbars='+inScrollbars+',width='+inWidth+',height='+inHeight)
}

function submitByQuery(elm, variable) {
	if (elm.type == 'select-one') {
		if (elm.options[elm.selectedIndex].value.length == 0)
			location.href = location.pathname
		else
			location.href = location.pathname + '?' + variable +'=' + elm.options[elm.selectedIndex].value;
	}
}