function changeStyle(o,c1,c2) {
	
		// JAVASCRIPT TO SWAP CSS CLASS OF AN OBJECT
		// -------------------------------------------
		// o  : the object to apply the class change to.
		// c1 : the name of the first class
		// c2 : the name of the second class 
		
		var currObj
		currObj = document.getElementById(o);
		
		if (currObj.className == c1) {
			currObj.className = c2;
		} else {
			currObj.className = c1;
		}
		return false;
	}
	
	function changeImg(o,c1,c2) {
	
		// JAVASCRIPT TO SWAP CSS CLASS OF AN OBJECT
		// -------------------------------------------
		// o  : the object to apply the image change to.
		// c1 : the name of the first image
		// c2 : the name of the second image 
		
		var currImg
		currImg = document.getElementById(o).name;
		var path = document.images[currImg].src;
		path=path.substring(path.lastIndexOf("/")+1,path.length);
		var checkpath = c1.substring(c1.lastIndexOf("/")+1,c1.length);
		if (path == checkpath) {
			document.images[currImg].src = c2;
		} else {
			document.images[currImg].src = c1;
		}
		return false;
	}