function macossls(){
	var u=navigator.userAgent.toLowerCase();
	
	var isMac=false;
	var OSVersion = [];
	var isSafari=false;
	var isSnoweopard = false;
	
	
	if (navigator.appVersion.indexOf("Mac")!=-1) isMac=true;	
	
	var osv = navigator.appVersion.split(";");
	for(var i = 0; i< osv.length;i++){
		if(osv[i].indexOf("Mac")!=-1){
			var osvs = osv[i].split(" ");
			var OSVersion = osvs[osvs.length-1].split("_");
		}
	}
	if(OSVersion[0] == "10" && OSVersion[1] == "6" ) isSnoweopard = true;
	
	isSafari = u.indexOf("safari")!= -1;
	
	//alert(isMac + "\n" +isSnoweopard + "\n" + safari);
	if(isMac && isSnoweopard && isSafari)
	window.open("snlinfo.html","snlnfo","width=530,height=150");
	
	
}