function detectSafari(){
if (navigator.appVersion.indexOf("Safari") != -1)
	{
		if(!window.getComputedStyle)
		{
   			document.body.className += " safari2";
  		}
		else{
			document.body.className += " safari3";
		}
	}
}
if (window.addEventListener)
     window.addEventListener("load", detectSafari, false);
else if (window.attachEvent)
     window.attachEvent("onload", detectSafari)