function imageSwap(daImage, daSrc){
	var obj;
	if(document.images){
		// Check to see whether you are using a name, number, or object
		if (typeof(daImage) == 'string') {
			obj = 'document.' + daImage;
			obj = eval(obj);
			obj.src = daSrc;
		} 
		else if ((typeof(daImage) == 'object') && daImage && daImage.src) {
			daImage.src = daSrc;
		}
	}
}