/lenasys/0.1

		//----------------------------------------------------------

		// helper Globals

	  //----------------------------------------------------------		

    var shaderProgram;

    var gl;

    var fps=0;

    var fpsmax=0;

    var timecount=0;

		var fpssum=0;

		var fpscount=1;

		var benchtime=0;

		var username="";

		//----------------------------------------------------------

		// getShader collects shader and compiles it. Errors are printed in alert

	  //----------------------------------------------------------		

    function getShader(gl, id) {

        var shaderScript = document.getElementById(id);

        if (!shaderScript) {

            return null;

        }

        var str = "";

        var k = shaderScript.firstChild;

        while (k) {

            if (k.nodeType == 3) {

                str += k.textContent;

            }

            k = k.nextSibling;

        }

        var shader;

        if (shaderScript.type == "x-shader/x-fragment") {

            shader = gl.createShader(gl.FRAGMENT_SHADER);

        } else if (shaderScript.type == "x-shader/x-vertex") {

            shader = gl.createShader(gl.VERTEX_SHADER);

        } else {

            return null;

        }

        gl.shaderSource(shader, str);

        gl.compileShader(shader);

        if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {

            alert(gl.getShaderInfoLog(shader));

            return null;

        }

        return shader;

    }

		//----------------------------------------------------------

		// Matrix stack variables

	  //----------------------------------------------------------		

    var mvMatrix = mat4.create();

    var mvMatrixStack = [];

    var pMatrix = mat4.create();

		//----------------------------------------------------------

		// Push Matrix

	  //----------------------------------------------------------		

    function mvPushMatrix() {

        var copy = mat4.create();

        mat4.set(mvMatrix, copy);

        mvMatrixStack.push(copy);

    }

		//----------------------------------------------------------

		// Pop Matrix

	  //----------------------------------------------------------		

    function mvPopMatrix() {

        if (mvMatrixStack.length == 0) {

            throw "Invalid popMatrix!";

        }

        mvMatrix = mvMatrixStack.pop();

    }

		//----------------------------------------------------------

		// Startup webGL and alert if not available

	  //----------------------------------------------------------		

    function initGL(canvas) {

        try {

            gl = canvas.getContext("experimental-webgl");

            gl.viewportWidth = canvas.width;

            gl.viewportHeight = canvas.height;

        } catch (e) {

        }if (!gl){

            alert("Could not initialise WebGL, sorry :-(");

        }

    }

		//----------------------------------------------------------

		// Measure fps and update div if available

	  //----------------------------------------------------------		

		function updatefps(elapsed,fpsdiv)

		{

				if(!isNaN(elapsed)){

						timecount+=(elapsed/1000.0);

						fpssum+=(elapsed/10.0);											

				} 

				if(elapsed<1) elapsed=1;

				fpscount++;

				fps=Math.round((100.0/(fpssum/fpscount))*10.0)/10.0;

				if(fps>fpsmax&&timecount>5.0) fpsmax=fps;

				fpsd=document.getElementById(fpsdiv);

				if(fpsd!=null) fpsd.innerHTML=fps;

		}

		//----------------------------------------------------------

		// Sends benchmark every X seconds

	  //----------------------------------------------------------		

		function sendbenchmark(delay,app)

		{

     		// Every 8 seconds send benchmark data to server!

     		if(Math.abs(timecount-benchtime)>delay){

     			benchtime=timecount;

					Benchmark(username,app,fps,fpsmax,Math.round(timecount*10.0)/10.0);

				}                                                                                                                                                   		

		}

		//----------------------------------------------------------

		// Generate benchmark userID

	  //----------------------------------------------------------		

		function genID(app)                                                                                                                       

		{                                                                                                                                            

			username = localStorage.getItem("Benchuser"); //Try to fetch username data                                                             

			if (username==null||username==""){

    			var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

					text="";

    			for( var i=0; i < 16; i++ ) text += possible.charAt(Math.floor(Math.random() * possible.length));

					username=text;

					localStorage.setItem("Benchuser",username);

			}else{

      }

      Benchmark(username,app,fps,fpsmax,Math.round(timecount*10.0)/10.0);                                                                                                                                    

    }                                                                                                                                            

		//----------------------------------------------------------

		// Send Benchmark using httpajax.js

	  //----------------------------------------------------------		

		function Benchmark(username,app,fps,maxfps,runtime)

		{

				var paramstr='User='+escape(username);

				paramstr+="&App="+escape(app);

				paramstr+="&Fps="+escape(fps);		

				paramstr+="&MaxFps="+escape(maxfps);		

				paramstr+="&RunTime="+escape(runtime);

				AjaxService("Benchy.php",paramstr);				

		}