function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		canada_map2_01_selectOntario_over = newImage("images/canada-map2_01-selectOntari.jpg");
		preloadFlag = true;
	}
}

function switchLayer( label ) {
  if( label == "map" ) {
    document.getElementById( "map" ).style.display = "none";
	document.getElementById( "searchForm" ).style.display = "block";	
  } else if( label == "searchForm" ) {
    document.getElementById( "map" ).style.display = "block";
	document.getElementById( "searchForm" ).style.display = "none";	
  }
}