//Prototype Creative Standard Rollover Function
function swapImage(img) {
	//Load the current image into a variable
	var extstart = document.getElementById(img).src;
	
	//Split the current image src up into 2 parts & use the -name.extension (the last part)
	var ext = extstart.split("-");
	
	//Check what state the button is at the moment and alter it to the other one i.e. over or butt
	if(ext[ext.length-1]=='butt.jpg'){
		var suffix = '-over.jpg'
	} else {
		var suffix = '-butt.jpg'
	}
	
	//Create the image name from the supplied id
	var imgname = 'images/'+img+suffix;
	
	//set the image with the created id the created image name
	document.getElementById(img).src = imgname;
}

function dexLogo() {
	document.getElementById('dynexlogo').style.display = "none";
	document.write('<object type="application/x-shockwave-flash" data="images/dynexanimated.swf" id="dynexanimated" title="Dynamic Exhibitions Logo">\n');
	document.write('<param name="movie" value="images/dynexanimated.swf" />\n');
	document.write('<param name="quality" value="high" />\n');
	document.write('</object>\n');
}