if (navigator.appName && navigator.appName.indexOf("Microsoft") != -1 && 
	  navigator.userAgent.indexOf("Mac") != -1)
	  {
MM_openBrWindow('index2.html','site','width=770,height=430');

} 
else
      {
MM_openBrWindow('index2.html','site','width=780,height=445')
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}