Jgis.prototype.navigate = function( p_where )  {
	xbGetElementById("jgis.operation").value = p_where;
	var frm = 	xbGetElementById("jgis.operation").form;
	jgis.preSubmit(frm)
	frm.submit();	
}

Jgis.prototype.move = function( p_where ){
	xbGetElementById("jgis.navigation.direction").value = p_where; 
	this.navigate("move"); 
} 
				
function jgis_move(p_where){ jgis.move(p_where); }

function jgis_zoomIn(){ jgis.navigate("zoomin"); }

function jgis_zoomOut(){ jgis.navigate("zoomout"); }