function openpopup(popurl, w, h, sizable) {
	str = 'width='+(w+20)+',height='+(h+30);
	if ( sizable != true ) {
		str = str + ',scrollbars=no,resizable=no,status=no';
	} else {
		str = str + ',scrollbars=yes,resizable=yes,status=yes';
	}
	window.open(popurl,'',str);
}



function toggleDiv(id)
{
	var menu_div = document.getElementById(id);
	var sign_span = document.getElementById(id + "_sign");

	if(menu_div.style.display == "block")
	{
		menu_div.style.display = "none";
		sign_span.innerHTML = "  [+]";
	}
	else
	{
		menu_div.style.display = "block";
		sign_span.innerHTML = "  [-]";
	}
}