var pyramideContainer = "pyramideContainer"
 var noise1Img = new Image(320,200);
 noise1Img.src = "../screen/noise1.gif";
 var noise2Img = new Image(320,200);
 noise2Img.src = "../screen/noise2.gif";
 var noise3Img = new Image(320,200);
 noise3Img.src = "../screen/noise3.gif";

 var bandImg = new Image(320,200);
 bandImg.src = "../screen/band.gif";
 var bandNoiseImg = new Image(320,200);
 bandNoiseImg.src = "../screen/bandnoise.gif";
 var membersImg = new Image(320,200);
 membersImg.src = "../screen/members.gif";
 var membersNoiseImg = new Image(320,200);
 membersNoiseImg.src = "../screen/membersnoise.gif";
 var mp3Img = new Image(320,200);
 mp3Img.src = "../screen/mp3.gif";
 var mp3NoiseImg = new Image(320,200);
 mp3NoiseImg.src = "../screen/mp3noise.gif";
 var contactImg =new Image(320,200);
 contactImg.src = "../screen/contact.gif";
 var  contactNoiseImg = new Image(320,200);
 contactNoiseImg.src = "../screen/contactnoise.gif";
 var nextshowsImg = new Image(320,200);
 nextshowsImg.src = "../screen/nextshows.gif";
 var  nextshowsNoiseImg = new Image(320,200);
 nextshowsNoiseImg.src = "../screen/nextshowsnoise.gif";
 var linksImg =new Image(320,200);
 linksImg.src = "../screen/links.gif";
 var linksNoiseImg = new Image(320,200);
 linksNoiseImg.src = "../screen/linksnoise.gif";
 var thoughtsImg =new Image(320,200);
 thoughtsImg.src = "../screen/thoughts.gif";
 var thoughtsNoiseImg = new Image(320,200);
 thoughtsNoiseImg.src = "../screen/thoughtsnoise.gif";

		
var noiseJumpStatus = 0;
		
	 function noiseJump(imgName, jumpLeft)
		{
		if (noiseJumpStatus ==imgName)  
			{
			if (jumpLeft == 0)
				{
				switchImage(imgName);
				}
			else
				{	
				if (jumpLeft == 1)
					{
					switchImage(imgName + "Noise");
					}
				else
					{
					if (jumpLeft % 3 == 0)
						{
						switchImage("noise3");
						}
					else
						{
						if (jumpLeft % 2 == 0)
							{
							switchImage("noise1");
							}
						else
							{
							switchImage("noise2");
							}
						}
					}
				var nextJump = 	jumpLeft-1;
				setTimeout("noiseJump('"+imgName+"', "+nextJump+");", randomNumber(50,115));
				}
			}
		}

		function randomNumber(fromNum,toNum)
			{
			var delta = toNum - fromNum;
			var randomResult = Math.ceil(delta * Math.random());
			var result = randomResult + fromNum;
			return(result)
			}
	   function switchImage(imgName)
	   {
         var imgSrc = eval(imgName + "Img.src");
		 document [pyramideContainer].src = imgSrc;
	   
	   }
       function img_act(imgName1)
       	{
       	noiseJumpStatus = imgName1;
		noiseJump(imgName1, randomNumber(2,5));
	    }

       function img_inact()
       	{
       	noiseJumpStatus =1;
        document [pyramideContainer].src = whitePyramideImg.src;
       	}