function detect() {
		// simplify things
		var agent 	= navigator.userAgent.toLowerCase();
		
		// detect platform
		this.isMac		= (agent.indexOf('mac') != -1);
		this.isWin		= (agent.indexOf('win') != -1);
		this.isWin2k	= (this.isWin && (
				agent.indexOf('nt 5') != -1));
		this.isWinSP2	= (this.isWin && (
				agent.indexOf('xp') != -1 || 
				agent.indexOf('sv1') != -1));
		this.isOther	= (
				agent.indexOf('unix') != -1 || 
				agent.indexOf('sunos') != -1 || 
				agent.indexOf('bsd') != -1 ||
				agent.indexOf('x11') != -1 || 
				agent.indexOf('linux') != -1);
		
		// detect browser
		this.isSafari	= (agent.indexOf('safari') != -1);
		this.isSafari2 = (this.isSafari && (parseFloat(agent.substring(agent.indexOf("applewebkit/")+"applewebkit/".length,agent.length).substring(0,agent.substring(agent.indexOf("applewebkit/")+"applewebkit/".length,agent.length).indexOf(' '))) >=  300));
		this.isOpera	= (agent.indexOf('opera') != -1);
		this.isNN		= (agent.indexOf('netscape') != -1);
		this.isIE		= (agent.indexOf('msie') != -1);
	}
	var browser = new detect();
	var str = (browser.isIE) ? "Search" : "Search";
	var q=document.getElementById('s');
	if (!browser.isSafari2) {q.value=str;q.onfocus=function(){q.value="";q.style.color="#000";};}