var oldprefix="";
var tabwords=new Array();

function getWords(data, object, info) {
	tabwords=data.split(',').reverse();
	setNextWord(object, info);
}

function canceltab(keycode) {
	if (keycode!=9) {
		return true;
	}
	return false;
}

function tc(obj,keycode) {
	if (keycode!=9) {
		return true;
	}
	info = obj.value.split(" ");
	prefix = info.pop();
	if (prefix) {
		if (oldprefix && prefix.indexOf(oldprefix) == 0) {
			setNextWord(obj, info);
		} else {
			oldprefix = prefix;
			$.get('/demovibes/ajax/words/'+prefix+'/', function(data){
				getWords(data, object=obj, info=info);
			});
		}
	}
	return false;
}

function setNextWord(obj, info) {
	if (tabwords.length > 0) {
		e = tabwords.pop();
		if (!e) { e = oldprefix;}
		info.push(e);
		obj.value = info.join(" ");
	} else {
		$.get('/demovibes/ajax/words/'+oldprefix+'/', function(data){
			getWords(data, object=obj, info=info);
		});
	}
}