function imageButtonOnKeyPress() {
    var keyCodeEntered = (window.event.which) ? window.event.which : window.event.keyCode;
    alert(keyCodeEntered);
    if (keyCodeEntered == 13) {
        event.returnValue = false;
        return false;
    }

    return true;
}

function showPanel(panelName){
	if(panelName == "map") {
	    jQuery("#panel-menu-map").addClass("active");
	    jQuery("#panel-menu-area").removeClass("active");
	    jQuery("#panel-menu-place").removeClass("active");
	    jQuery("#panel-menu-postcode").removeClass("active");
	    jQuery("#panel-menu-gridref").removeClass("active");

		jQuery(".walk-searchplace").hide();
		jQuery(".walk-searchpostcode").hide();
		jQuery(".walk-searchmap").show();
		jQuery(".walk-searcharea").hide();
		jQuery(".walk-searchgridref").hide();
	}
	else if(panelName == "postcode") {
	    jQuery("#panel-menu-map").removeClass("active");
	    jQuery("#panel-menu-area").removeClass("active");
	    jQuery("#panel-menu-place").removeClass("active");
	    jQuery("#panel-menu-postcode").addClass("active");
	    jQuery("#panel-menu-gridref").removeClass("active");

		jQuery(".walk-searchplace").hide();
		jQuery(".walk-searchpostcode").show();
		jQuery(".walk-searchmap").hide();
		jQuery(".walk-searcharea").hide();
		jQuery(".walk-searchgridref").hide();

		jQuery(".postcode-text-box").keypress(function (event) {
		    if (event.keyCode == '13') {
		        event.preventDefault();
		    }
		});
	}
	else if(panelName == "place") {
	    jQuery("#panel-menu-map").removeClass("active");
	    jQuery("#panel-menu-area").removeClass("active");
	    jQuery("#panel-menu-place").addClass("active");
	    jQuery("#panel-menu-postcode").removeClass("active");
	    jQuery("#panel-menu-gridref").removeClass("active");

		jQuery(".walk-searchplace").show();
		jQuery(".walk-searchpostcode").hide();
		jQuery(".walk-searchmap").hide();
		jQuery(".walk-searcharea").hide();
		jQuery(".walk-searchgridref").hide();

		jQuery(".place-text-box").keypress(function (event) {
		    if (event.keyCode == '13') {
		        event.preventDefault();
		    }
		});


		    //

	}
	else if(panelName == "gridref") {
	    jQuery("#panel-menu-map").removeClass("active");
	    jQuery("#panel-menu-area").removeClass("active");
	    jQuery("#panel-menu-place").removeClass("active");
	    jQuery("#panel-menu-postcode").removeClass("active");
	    jQuery("#panel-menu-gridref").addClass("active");

		jQuery(".walk-searchplace").hide();
		jQuery(".walk-searchpostcode").hide();
		jQuery(".walk-searchmap").hide();
		jQuery(".walk-searcharea").hide();
		jQuery(".walk-searchgridref").show();

		jQuery(".gridref-text-box").keypress(function (event) {
		    if (event.keyCode == '13') {
		        event.preventDefault();
		    }
		});
	}
	else if(panelName == "area") {
	    jQuery("#panel-menu-map").removeClass("active");
	    jQuery("#panel-menu-area").addClass("active");
	    jQuery("#panel-menu-place").removeClass("active");
	    jQuery("#panel-menu-postcode").removeClass("active");
	    jQuery("#panel-menu-gridref").removeClass("active");

		jQuery(".walk-searchplace").hide();
		jQuery(".walk-searchpostcode").hide();
		jQuery(".walk-searchmap").hide();
		jQuery(".walk-searcharea").show();
		jQuery(".walk-searchgridref").hide();
	}
}