if (document.images) {
	btn_01 = new Image
	btn_01a = new Image
	btn_02 = new Image
	btn_02a = new Image
	btn_03 = new Image
	btn_03a = new Image
	btn_04 = new Image
	btn_04a = new Image
	btn_05 = new Image
	btn_05a = new Image
	btn_06 = new Image
	btn_06a = new Image
	btn_07 = new Image
	btn_07a = new Image

	btn_01.src = "images/buttons/btn_01.jpg"
	btn_01a.src = "images/buttons/btn_01a.jpg"
	btn_02.src = "images/buttons/btn_02.jpg"
	btn_02a.src = "images/buttons/btn_02a.jpg"
	btn_03.src = "images/buttons/btn_03.jpg"
	btn_03a.src = "images/buttons/btn_03a.jpg"
	btn_04.src = "images/buttons/btn_04.jpg"
	btn_04a.src = "images/buttons/btn_04a.jpg"
	btn_05.src = "images/buttons/btn_05.jpg"
	btn_05a.src = "images/buttons/btn_05a.jpg"
	btn_06.src = "images/buttons/btn_06.jpg"
	btn_06a.src = "images/buttons/btn_06a.jpg"
	btn_07.src = "images/buttons/btn_07.jpg"
	btn_07a.src = "images/buttons/btn_07a.jpg"
}
function swapImage(thisImage,newImage) {
	if (document.images) {
		document[thisImage].src = eval(newImage + ".src")
	}
}

<!-- Includes Script -->
	

	//To include a page, invoke ajaxinclude("afile.htm") in the BODY of page
	//Included file MUST be from the same domain as the page displaying it.
	
	var rootdomain="http://"+window.location.hostname
	
	function ajaxinclude(url) {
		var page_request = false
		if (window.XMLHttpRequest) // if Mozilla, Safari etc
			page_request = new XMLHttpRequest()
		else if (window.ActiveXObject){ // if IE
			try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
			catch (e){
			try{
			page_request = new ActiveXObject("Microsoft.XMLHTTP")
		}
			catch (e){}
		}
		}
		else
			return false
			page_request.open('GET', url, false) //get page synchronously 
			page_request.send(null)
			writecontent(page_request)
	}
	
	function writecontent(page_request){
		if (window.location.href.indexOf("http")==-1 || page_request.status==200)
			document.write(page_request.responseText)
		}