$(window).load(function (){
	// Detecting operating system on the client machine
	if (navigator.appVersion.indexOf("Mac")!=-1){
		//test for Firefox/x.x or Firefox x.x (ignoring remaining digits);
		if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){
			// capture x.x portion and store as a number
			var ffversion=new Number(RegExp.$1)
			if (ffversion<=3){
				//Hide scrollbar
				$('#main .content').css({overflow: 'hidden'});
			}else{
			}
		}else{
		}
	}
});