var domutil = { // usage, get("foo").toggle();
	get: function(id){
		this.els = [];
		this.els.push(document.getElementById(id));
		return this;
	},
	toggle: function(el){
		for(var i=0; i<this.els.length; ++i){
			this.els[i].style.display='none'==this.els[i].style.display?'':"none";
		}
	}
}