function parseXml( url ) {
    var http = new JKL.ParseXML( url );
    var data = http.parse()["OBJECT-3D"];
    var xmlObj = new Object();
    if (data["surface"][0]) {
		for (var i in data["surface"]) {
			var obj = xmlObj[data["surface"][i]["name"]] = new Object();
			obj.vertex = splitVector(data["surface"][i]["coordinate"]);
			obj.normal = splitVector(data["surface"][i]["normal"]);
			obj.texCoords = splitVector(data["surface"][i]["texture"]);
		}
    } else {
    	var obj = xmlObj[data["surface"]["name"]] = new Object();
		obj.vertex =  splitVector(data["surface"]["coordinate"]);
    	obj.normal =  splitVector(data["surface"]["normal"]);
		obj.texCoords = splitVector(data["surface"]["texture"]);
    }
    return xmlObj;
}

function splitVector(str) {
    return str.replace(/^\s+/g, "").replace(/\s+/g, " ").split(" ");
}

function makeXmlObj(ctx, xmlObj)
{
    var geometryData = [ ];
    var normalData   = [ ];
    var texCoordData = [ ];
    var indexData    = [ ];
    var i = 0;
    var j = 0;
    var k = 0;
    while (xmlObj.vertex[i]) {
		geometryData.push(parseFloat(xmlObj.vertex[i]));
		if ( (i % 3) == 0) {
			indexData.push(k);
			k++;
		}
		i++;
    }
    k = 0;
    while (xmlObj.texCoords[k]) {
		texCoordData.push(parseFloat(xmlObj.texCoords[k]));
		k++;
    }
    while (xmlObj.normal[j]) {
		normalData.push(parseFloat(xmlObj.normal[j]));
		j++;
    }
        
    var retval = { };
    
    retval.normalObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.normalObject);
    ctx.bufferData(ctx.ARRAY_BUFFER, new WebGLFloatArray(normalData), ctx.STATIC_DRAW);
	
    retval.texCoordObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.texCoordObject);
    ctx.bufferData(ctx.ARRAY_BUFFER, new WebGLFloatArray(texCoordData), ctx.STATIC_DRAW);
	
    retval.vertexObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.vertexObject);
    ctx.bufferData(ctx.ARRAY_BUFFER, new WebGLFloatArray(geometryData), ctx.STATIC_DRAW);
    
    retval.numIndices = indexData.length;
    retval.indexObject = ctx.createBuffer();
    ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, retval.indexObject);
    ctx.bufferData(ctx.ELEMENT_ARRAY_BUFFER, new WebGLUnsignedShortArray(indexData), ctx.STREAM_DRAW);
	
    return retval;
}