var newwindow;

function popup(url) {

	newwindow=window.open(url,'name','height=550,width=550,resizable=yes,scrollbars=yes,toolbar=no');
	if (window.focus) {newwindow.focus()}
}

function toggleDisplay(divId) {
	styl = document.getElementById(divId).style;
	if (styl.display == 'block')
		styl.display = 'none';
	else
		styl.display = 'block';
}