function stamboompopup(url, w, h)
{
var newW = w + 10; //add border
var newH = h + 10; //add border
var newwindow=window.open(url, 'name', 'height='+newH+', width='+newW+', top=50, left=200');
newwindow.resizeTo(newW, newH); //if popup window is already open, the size specified in window.open does not take effect, so we need to resize it.
newwindow.focus();
return false;
}