/*

Originaly by wwww.tigir.com - 17.05.2006
Modifed by goran

*/

function syncList(){}

syncList.prototype.sync = function() {
	for (var i=0; i < arguments.length-1; i++) document.getElementById(arguments[i]).onchange = (function (o,id1,id2){return function(){o._sync(id1,id2);};})(this, arguments[i], arguments[i+1]);
	document.getElementById(arguments[0]).onchange();
}

syncList.prototype._sync = function (firstSelectId, secondSelectId) {

	var firstSelect = document.getElementById(firstSelectId);
	var secondSelect = document.getElementById(secondSelectId);

	secondSelect.length = 0;


	if (firstSelect.length>0) {
		if (firstSelect.selectedIndex == -1) firstSelect.options[0].selected = true;

		var optionData = this.dataList[ firstSelect.options[firstSelect.selectedIndex].value ];

		for (var key in optionData || null) secondSelect.options[secondSelect.length] = new Option(optionData[key], key);
		if (secondSelect.length>0) secondSelect.options[sel[firstSelect.value][secondSelectId]].selected = true;
		secondSelect.onchange && secondSelect.onchange();
	}
};