function fImageOver(id){

	var source = document.getElementById(id).src;
	source = source.substring(0,source.length-4);
	source = source + 'Over.gif';
			
	document.getElementById(id).src = source;
}

function fImageOut(id){
	
	var source = document.getElementById(id).src;
	source = source.substring(0,source.length-8);
	source = source + '.gif';
			
	document.getElementById(id).src = source;
}

function fLinkOver(id){

	var idName = id.replace('myLink', 'myImage')

	var source = document.getElementById(idName).src;
	source = source.substring(0,source.length-4);
	source = source + 'Over.gif';
			
	document.getElementById(idName).src = source;

}

function fLinkOut(id){
	
	var idName = id.replace('myLink', 'myImage')

	var source = document.getElementById(idName).src;
	source = source.substring(0,source.length-8);
	source = source + '.gif';
			
	document.getElementById(idName).src = source;
}