function tickerOpenWindow(url){
var height = screen.height;
var width = screen.width;
var myHeight = 600;
var myWidth = 800;
var leftpos = width / 2 - myWidth / 2;
var toppos = height / 2 - myHeight / 2; 
windowHandle = window.open(url, 'newwin','height=600,width=800,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,top='+toppos+',left='+leftpos);
//if (windowHandle.opener == null)
//windowHandle.opener = window;
windowHandle.focus();
}