var liveAxleBackground = function() 
{
	
	function changeBackgroundPattern()
	{
		var patternId = randomRange(1,2);
		var colorId = randomRange(1,8);
	
		var topPatternUrl = "url(assets/img-bg-patterns-top-p" + patternId + "-" + colorId +".gif)";
		var botPatternUrl = "url(assets/img-bg-patterns-bottom-p" + patternId + "-" + colorId +".gif)";

		$('#header').css( { backgroundImage:topPatternUrl } );
		$('#footer').css( { backgroundImage:botPatternUrl } );	
	}
	this.changeBackgroundPattern = changeBackgroundPattern;
	
	
	function randomFind(X) 
	{
  		return Math.floor(X * (Math.random() % 1));
	}

	function randomRange(MinV, MaxV) 
	{
  		return MinV + randomFind(MaxV - MinV + 1);
	}
	
	
	
}


$(document).ready(function()
{
	var siteBackground = new liveAxleBackground();
	siteBackground.changeBackgroundPattern();
	
});