打开页面最大化

  var width = window.screen.availWidth;
  var height = window.screen.availHeight;
  var param="width="+width+",height="+height+",status=yes,scrollbars=yes,resizable=yes,location=no,menubar=no,toolbar=no,directories=no,top=0,left=0";

window.open(obj,"业务中心",param);

document.getElementById('ifra').contentWindow.ope();