function openCenteredWindow(url,height,width,name,parms){var left=Math.floor((screen.width-width)/2);var top=Math.floor((screen.height-height)/2);var winParms="top="+top+",left="+left+",height="+height+",width="+width;if(parms){winParms+=","+parms}win=window.open(url,name,winParms);if(parseInt(navigator.appVersion)>=4){win.window.focus()}}