function getBrowser(){
	if (navigator.userAgent.indexOf("mac OS X",0) > -1) return 2;
	else return "";
}
function disp(dir){
	var dir = dir+"/"+dir+getBrowser()+"/index.html";
	var url = "http://interco.mobi/watami_book/" + dir;
	win = window.open(url, "window_name","width=950,height=750,scrollbars=yes");
	//window.alert(navigator.userAgent);
}