var g_oWindow = null;
function LoadWindow(sLW_Page,nLW_Width,nLW_Height) {
	if (g_oWindow!=null && g_oWindow) {g_oWindow.close(); g_oWindow=null;}
	g_oWindow = window.open(sLW_Page,
		"PopUpWindow",
		"top="+Math.round((screen.availHeight-nLW_Height)/2)+",left="+Math.round((screen.availWidth-nLW_Width)/2)+",width="+nLW_Width+",height="+nLW_Height+",scrollbars=1,resizable=1");
}