function OpenNewWindow(sURL,w,h)
{
  var iWidth = 0 ;
  var iHeight = 0 ;
  iWidth=window.screen.availWidth-10;
  iHeight=window.screen.availHeight-50;
  var szFeatures = "" ;
  szFeatures =	"resizable=yes,status=yes,menubar=no,width=" + 
				iWidth*w + ",height=" + iHeight*h + ",top=0,left=0";
  var ret=window.open(sURL,"MainWin",szFeatures);
  if(ret==null){alert('弹出窗口被拦截，请设置您的浏览器允许本站弹出窗口或关闭相关阻止程序后再操作！')};
  //window.open(sURL,"MainWin",szFeatures)
}