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);
				this.isFirefox	= (agent.indexOf('firefox') != -1);
			}
			var browser = new detect();
			var str = (browser.isIE) ? "Search" : "Keresés";
			var q=document.getElementById('q');
			if (!browser.isSafari2) {/*q.value=str;q.onfocus=function(){q.value="";q.style.color="#000";};*/}
			//-->
			
function radioClicked(timespan){
	id='timespan_'+timespan;
	document.getElementById(id).checked=true;
	getLocationsByTimespan(timespan);
}