function Is() {
		var agent = navigator.userAgent.toLowerCase();
		this.ns = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
		this.mac = (agent.indexOf("mac") != -1);
	}
	
	var is = new Is();
	if(is.ns) { // Netscape
		var ke = (' ');
	} 
	else if (!is.mac) { // IE PC
		var ke = ('<link rel="stylesheet" type="text/css" href="../css/keiki_ie.css" title="style" media="screen" />');
	}
	else { // IE mac
		var ke = (' '); 
	}
	document.write(ke);

	
function MM_openWindow(pfad,winName,width,height) {
	win=window.open(pfad,winName,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+width+",height="+height);
	win.focus();
	}