/**
* Xajax wrapper for all Ajax calls, so you don't have to register PHP-Ajax Functions
* 
* @author Jorrit & Ralf
* @param string module
* @param string functionName
* @param array argumentsArray; Array with argument for the module's function
*/
function ytw_call(module, functionName, argumentsArray) {
	var newArgumentsArray = new Array(1);
	newArgumentsArray[0] = module;
	
	if (argumentsArray) {
		newArgumentsArray = newArgumentsArray.concat(argumentsArray);
	}
    
    return xajax.call(functionName, newArgumentsArray);
}

xajax.realCall = xajax.call;
xajax.realProcessResponse = xajax.processResponse;

var ajaxFunction;
xajax.call = function(sFunction, aArgs, sRequestType) {
	
	switch(sFunction){
		case 'update_search_results':
			ajaxFunction= sFunction;
			showSearchLoader();
			break;
		case 'update_calc_table':
			ajaxFunction= sFunction;		

			if (aArgs[3]) {
				if ($('checkLoader'))
					$('checkLoader').style.display = 'block';
			} else {
				if ($('priceLoader'))
					$('priceLoader').style.display = 'block';				
			}
				
				
			if ($('calcForm'))
				$('calcForm').style.display = 'none';				
			break;
		case 'update_price_info':
			ajaxFunction= sFunction;		
			// TODO: don't use html here
			// ..
			if ($('priceTableContainer'))
				$('priceTableContainer').innerHTML = '<img src="/lib/images/loaders/spinner.gif" alt="loading.." class="spinner" />&nbsp;data &amp; prijzen worden geladen...';
			break;		
	}
	
	return this.realCall(sFunction, aArgs, sRequestType);
}
xajax.processResponse = function(xml) {
	switch(ajaxFunction){
		case 'update_search_results':
			hideSearchLoader();
			ajaxFunction = '';
			break;
		case 'update_calc_table':
			if ($('priceLoader'))
				$('priceLoader').style.display = 'none';
			if ($('checkLoader'))
				$('checkLoader').style.display = 'none';				
			if ($('calcForm'))
				$('calcForm').style.display = 'block';						
			break;
		case 'load_bookframe':
			// document.body.scrollTop = 0;
			scrollTo(0, 0);
			break;
	}
	
	return this.realProcessResponse(xml);
}

xajax.loadingFunction = function() {
	if (xajax.$('loadingDiv')) {
		xajax.$('loadingDiv').style.display='block';
	}
}

xajax.doneLoadingFunction = function() {
	if (xajax.$('loadingDiv'))
	{
		xajax.$('loadingDiv').style.display = 'none';
	}
}

function submitForm()
{
	xajax_processForm(xajax.getFormValues("theForm", true));
}

function showLoader() {
	if (xajax.$('spinner')) {
		xajax.$('spinner').style.display = 'inline';
	}

}
function hideLoader() {
	if (xajax.$('spinner')) {
		xajax.$('spinner').style.display = 'none';
	}
}

function showSearchLoader() {
	if ($('loader_text')) {
		$('loader_text').style.display = 'block';
	}
}

function hideSearchLoader() {
	if ($('loader_text')) {
		$('loader_text').style.display = 'none';
	}	
}

function showSubmit()
{
	if (xajax.$('submitButton')) {
		xajax.$('submitButton').disabled=false;
		xajax.$('submitButton').value="Submit";
	}
}

function hideSubmit()
{
	if (document.getElementById('submitButton')) {
		xajax.$('submitButton').disabled=true;
		xajax.$('submitButton').value="Please wait...";
	}
}
function confirmDelete(object, link) {
	var confirmation;
	confirmation =  confirm("Are you sure you want to delete this record?");
	if (confirmation)
 		return location.href = link;
	else
		return false;
}

var counter = 0;

function addOption(selectId, txt, val)
{
	if (typeof(val) == 'object') {
		if (val.displayName) {
			// do not add options with no result
			if (val.resultCount == 0)
				return;
			if(selectId != "NightCount") txt = val.displayName+' ('+val.resultCount+')';
            else if(selectId == "NightCount") {
                dagen = "nacht";
                if(val.displayName != "1") dagen = dagen + "en";
                txt = val.displayName+' '+dagen+' ('+val.resultCount+')'; 
            } 
			val = val.displayName;
		}
	}
	
	var objOption = new Option(txt, val);
	$(selectId).options.add(objOption);
	$(selectId).disabled = false;
}

function removeOptions(selectId) {
	if ($(selectId))
		$(selectId).options.length = 0;

	addOption(selectId, '', 'empty');
	$(selectId).disabled = true;
}

function selOption(selectId, val) {
	
	var element = $(selectId);

	if ( element == null ){
		return;
	}
	
	// value is a criterium item object
	if(typeof(val) == 'object') {
		selSearchOption(element, val);
		return;
	}

	if ( element.options ) {
		for(var i=0; i<element.options.length; i++) {
			if (element.options[i].value == val)
				element.options[i].selected = true;
		}
	} else {
		if (element.type=='checkbox')
		{
			if (val == 'true')
			{
				element.checked = 'checked';
			}
		}
		else if (element.type=='text')
		{
			element.value = val;
		}
	}
}

/* function to evaluate javascript in a certain object */
function run_js (div_id){

	var o = document.getElementById(div_id);
	var s = o.getElementsByTagName('script');

	var code = '';

	for (var i = 0; i < s.length; i++ ){
		code = s.item(i).innerHTML;

		if (window.execScript) {
			// IE
			window.execScript(code);
		}
		else {
			// other browsers
			window.eval (code);
		}
	}
}

function sendForm(formid) {
	document.getElementById(formid).submit();
}