// aimsLegend.js
/*
*  JavaScript template file for ArcIMS HTML Viewer
*		dependent on aimsXML.js, ArcIMSparam.js, aimsCommon.js, aimsMap.js
*/

aimsLegendPresent=false;

var drawLegendOnly=false;
var defaultLegTitle=legTitle;

/*
***************************************************************************************

Legend functions 

***************************************************************************************
*/



/* send request to create graphic legend */
function getLegend() {
	legendVisible=true;
	drawLegendOnly=true;
	var theString=writeXML();
	showRetrieveMap();
	sendToServer(imsURL,theString,98);
}

// write out the legend display
function showLegend() {
	urlLegend = parent.MapFrame.SvcLegend[parent.MapFrame.idxServicio];
	var ancho=300, alto=300;
	var top=parent.herramientas.screenTop,
	    left=parent.herramientas.screenLeft;
	window.open(urlLegend,"LegendWindow","left=" + left + ",top=" + top + ",width=" + ancho + ",height=" + alto + ",scrollbars=yes,resizable=yes");
}

// add Legend to XML request
function addLegendToMap() {
	var legString = '<LEGEND title="' + legTitle + '" font="' + legFont + '" width="' + legWidth + '" height="' + legHeight + '" ';
	legString += 'autoextend="true" backgroundcolor="255,255,255"';
	if (hideLayersFromList) {
		legString += '>\n<LAYERS>\n';
		for (var legvar=0;legvar<noListLayer.length;legvar++) {
			if (noListLayer[legvar]) legString += '<LAYER id="' + LayerID[legvar] + '" />\n';
		}
		legString += '</LAYERS>\n';
		legString += '</LEGEND>\n';
	} else {
		legString += ' />\n';
	}
	if (drawLegendOnly) legString = legString + '<DRAW map="false" />\n';
	return legString;
}