var imageHold = "home";
	
	function changeImage(imageName, newImage)
	{
		if (imageName != imageHold)
		{
			if (document.images)
				document[imageName].src = eval(newImage + ".src")
		}
	}
	
	function stayImage(imageName, newImage)
	{
		if (imageHold != "")
		{
			document[imageHold].src=eval(imageHold + "Off" + ".src")
		}
		imageHold=imageName
	
		if (imageName != "")
		{
			document[imageName].src=eval(newImage + ".src")
		}
	}
	
	function setFocus()
	{
		if (document.forms[0])
			if (document.forms[0].elements[0])
				if (document.forms[0].elements[0].type != 'hidden')
					document.forms[0].elements[0].focus();
	}
	
	//IMAGE LOOPING FUNCTION
	/* function will recall itself based upon the settimeout function.  A timer will be created for each
	section of rotating images.  All time values can be changed by altering the timer value below. */
	
	var timerValue = 1000;
	
	//system will preload all images first for better performance
	function preloadImages()
	{
		if (document.images)
		{
			homeOn=new Image
			homeOver=new Image
			homeOff=new Image
			
			audioOn=new Image
			audioOver=new Image
			audioOff=new Image
			
			softOn=new Image
			softOver=new Image
			softOff=new Image
			
			booksOn=new Image
			booksOver=new Image
			booksOff=new Image
			
			aboutOn=new Image
			aboutOver=new Image
			aboutOff=new Image
			
			contactOn=new Image
			contactOver=new Image
			contactOff=new Image
			
						
			homeOn.src="./images/arrow_blue.gif"
			homeOver.src="./images/arrow_white.gif"
			homeOff.src="./images/spacer.gif"
			
			audioOn.src="./images/arrow_blue.gif"
			audioOver.src="./images/arrow_white.gif"
			audioOff.src="./images/spacer.gif"
			
			softOn.src="./images/arrow_blue.gif"
			softOver.src="./images/arrow_white.gif"
			softOff.src="./images/spacer.gif"
			
			booksOn.src="./images/arrow_blue.gif"
			booksOver.src="./images/arrow_white.gif"
			booksOff.src="./images/spacer.gif"
			
			aboutOn.src="./images/arrow_blue.gif"
			aboutOver.src="./images/arrow_white.gif"
			aboutOff.src="./images/spacer.gif"
			
			contactOn.src="./images/arrow_blue.gif"
			contactOver.src="./images/arrow_white.gif"
			contactOff.src="./images/spacer.gif"
		}	
	}
		
	
	
	function openWindow(url, windowname)
	{
		newWindow = window.open([url], [windowname], 'width=540, resizable=1');
		newWindow.focus();
	}