// switch controls for RHS panel
function paneloff() {
	document.getElementById('sideblockcontainer').style.display='none';
	document.getElementById('map').style.width='956px';
	document.getElementById('hidepanel').style.display='none';
	document.getElementById('showpanel').style.display='inline';
	map.checkResize();

}
function panelon() {
	document.getElementById('sideblockcontainer').style.display='block';
	document.getElementById('map').style.width='756px';	
	document.getElementById('hidepanel').style.display='inline';
	document.getElementById('showpanel').style.display='none';		
	map.checkResize();	
		
}	

function mapReset() {
	newCenter = new GLatLng(centerLatitude, centerLongitude);  // set up location and zoom
	map.setCenter(newCenter, startZoom);
	//map.setZoom(startZoom);
}

function changeTileSize() {
	if (tileSize == 25) {
		set1kTile();
	}
	else {
		set25kTile();	
	}
	document.getElementById("tile").innerHTML = "<b>Selected Tile:</b><br />none";
	clearGrid();
	grid(); // reset grid
}

function set1kTile() {
		document.getElementById('tiletype').innerHTML = '<b>Tile  Size = 1km<sup>2</sup>&nbsp;&nbsp;</b><input name="submit3" type="submit" value="Change To 25km2" />';		
		/* don't change zoom - Nick request
		if (map.getZoom() >= selectZoom - 1) {// change zoom if at select zoom
			map.setZoom(select1k2Zoom);			
		*/
		tileSize = 1;		
		tileGridSide = 1000; // tile grid size
		selectZoom = 14;  // tile zoom - 1k grid
		tileTrim = 36;
		selectTrim = 20;		
}
function set25kTile() {
		document.getElementById('tiletype').innerHTML = '<b>Tile  Size = 25km<sup>2</sup></b><input name="submit3" type="submit" value="Change To 1km2" />';	
		/* don't change zoom
		if (map.getZoom() >= selectZoom - 1) {// change zoom if at select zoom
			map.setZoom(select25k2Zoom);			
		}
		*/
		tileSize = 25;		
		tileGridSide = 5000; // tile grid size
		selectZoom = 12;  // tile zoom - 5k grid
		tileTrim = 180;
		selectTrim = 100;		
}