function openPopup(theURL, winName, w, h, scrollbar, resizable, toolbar, statusbar, menubar)
{
	var left = ((window.screen.width - w) / 2);
	var top = ((window.screen.height - h) / 2);
	//
	toolbar_str 	= (toolbar == 1) 	? "yes" : "no";
	menubar_str 	= (menubar == 1) 	? "yes" : "no";
	statusbar_str 	= (statusbar == 1) 	? "yes" : "no";
	scrollbar_str 	= (scrollbar == 1) 	? "yes" : "no";
	resizable_str 	= (resizable == 1) 	? "yes" : "no";
	//
	window.open(theURL, winName, 'left=' + left + ',top=' + top + ',width=' + w + ',height=' + h + ',toolbar=' + toolbar_str + ',menubar=' + menubar_str + ',status=' + statusbar_str + ',scrollbars=' + scrollbar_str + ',resizable=' + resizable_str);
}

function resizePopup(w, h)
{
	var left = ((window.screen.width - w) / 2);
	var top = ((window.screen.height - h) / 2);
	self.moveTo(left, top);
	self.resizeTo(w, h);
}