//fix safari whitening bug
	var agt=navigator.userAgent.toLowerCase();
	is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
	if (is_safari == true)
	{
		window.resizeTo(window.outerWidth+1,window.outerHeight)
		window.resizeTo(window.outerWidth-1,window.outerHeight)
	}