function getRoadCoord(tip){
	var p;
	(onlyRoadV)? p=2 : p=1; 
	var pont = clicked_latlng;
	var xcoord = clicked_latlng.lat();
	var ycoord = clicked_latlng.lng();
	var szorzo = 1;
	for(var i=1; i<=(17-map.getZoom());i++){
		szorzo = 2*szorzo;
	}
	var mintav = 10*szorzo;
	
	var eleres = "helyazon/roadcoord.php?v=ut&xcoord=" + xcoord+"&ycoord=" + ycoord+"&mintav=" + mintav;
	
	var httpObject = getHTTPObject();
	if (httpObject != null) {
		httpObject.onreadystatechange = function setOutput(){
			if (httpObject.readyState == 4) {
				if (httpObject.status == 200) {
					if(pont != clicked_latlng)					//ha közben elkattintottam
						exit;				

					if (httpObject.responseText.substring(0, 5) != 'Hiba:') {
						if(httpObject.responseText ==''){							
							exit;	
						}
						if(tip == 'click' && p==2 )
							clicked_latlng = new google.maps.LatLng(httpObject.responseText.split(',')[0],httpObject.responseText.split(',')[1]);
							placeMarker('click');
						
						// keresésnél, koordináták beírásához kellhet még
						/*else{
							alert('nincs beálítva, hogy odaugorjon, sima beíráshoz kell majd');
						}*/
					}
					else{
						alert(httpObject.responseText);
					}
				}
			}
		};
		httpObject.open("GET", eleres, true);
		httpObject.setRequestHeader("Content-Type", "text/plain;charset=UTF-8");
		httpObject.send(null);
	}
}