function CssClassesHandler(object) { this.object = object }
CssClassesHandler.prototype = {
	object		: null,
	
	all			: function() {
					return this.object.className.split(/\s/)
				},
	exists		: function(className) {
					var classes = this.all()
				    for(var i = 0; i < classes.length; i++)
				    	if(classes[i] == className) return true
				    return false
				},
	add			: function(className) {
					var classes = this.all()
				    for(var i = 0; i < classes.length; i++)
				    	if(classes[i] == className) return
				    this.object.className = this.object.className + " " + className
				},
	remove		: function(className) {
					var classes = this.all()
				    var cn = ""
				    for(var i = 0; i < classes.length; i++)
				    	if(classes[i] != className) cn = cn + " " + classes[i]
				    this.object.className = cn.substr(1)
				},
	flip		: function(className) {
				    if(this.exists(className))
				        this.remove(className)
				    else
				        this.add(className)
				}
}

function CssClasses(object) {
	return new CssClassesHandler(object)
}