function removeChildNodes(nodeID) {

	var nodeObj = document.getElementById(nodeID);

	for(var i = nodeObj.childNodes.length - 1; i > -1; i--){

		nodeObj.removeChild(nodeObj.childNodes.item(i));

	}

}

function getSelection(chooserID) {

	var selection = document.getElementById(chooserID).options[document.getElementById(chooserID).selectedIndex].value;

	return selection;

}



function setDefaultOption(SelectID) {

	removeChildNodes(SelectID);

	var SelectNode = document.getElementById(SelectID);

	var defOption = document.createElement('option');

	var defTxtNode = document.createTextNode('...');

	defOption.appendChild(defTxtNode);

	SelectNode.appendChild(defOption);

}



function calculateOrder() {

	var carModel = getSelection('carModelChooser');

	var days = document.getElementById('result').innerHTML;

	var paramStr = '&carModel=' + carModel + '&days=' + days;

	var loader = new net.ContentLoader( '/index.php?action=calculate-order' + paramStr, onGetCalculatedOrder);

}



function onGetCalculatedOrder() {

	document.getElementById('money').innerHTML = this.req.responseText;

	document.getElementById('hidden-money').value = this.req.responseText;

	

	//alert(this.req.responseText)

}