function $_ajax(id){
	return document.getElementById(id);
}

function loadPage(){
	if($_ajax("gototill")){
		$_ajax("gototill").onclick = function(){
			return window.location.href = "kasa.html";
		}
	}
	if($_ajax("gotobasket")){
		$_ajax("gotobasket").onclick = function(){
			return window.location.href = "moj-koszyk.html";
		}
	}
	if($_ajax("printwindow")){
		$_ajax("printwindow").onclick = function(){
			return window.print();
		}
	}
	// mapa google
	if (GBrowserIsCompatible()){ 
		var siteMap = document.getElementById("map");
		if(siteMap){
			var map = new GMap2(siteMap); 
			map.addControl(new GLargeMapControl()); 
			map.addControl(new GOverviewMapControl()); 
			map.addControl(new GScaleControl()); 
			map.enableContinuousZoom(); 
			map.enableDoubleClickZoom(); 
			map.setCenter(new GLatLng(49.86103298313748, 19.31967258453369), 13); 
			var info='<div style="background-color: #fff; width: 200px;"><strong>Goliat</strong><br />34-120 Andrychów,<br />ul. Krakowska 117a</div>'; 
			var point = new GLatLng(49.86103298313748, 19.31967258453369); 
			var marker = new GMarker(point); 
			GEvent.addListener(marker, "click", function() { 
				marker.openInfoWindowHtml(info); 
			}); 
			map.addOverlay(marker); 
			marker.openInfoWindowHtml(info);
	   }
	}
	// -----
}

function changeProduct(kind,id){
	var number = $_ajax("number_"+id).value;
	if(kind == 1)number--;
	if(kind == 2)number++;
	if(number <= 0)number = 0;
	$_ajax("number_"+id).value = number;
}