/***************************************************************************************/
/* Form validation functions */
/***************************************************************************************/
function validateEmailAddress(obj, formObj, formValue) {
	var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
	return regex.test(formValue);
}

function validateOptionalEmail(obj, formObj, formValue) {
	if(formValue != '') {
		var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
		return regex.test(formValue);
	} else {
		return true
	}
}

/***************************************************************************************/
/* Change the display of an element */
/***************************************************************************************/
function changeElementDisplay(el)
{
	displayItem = document.getElementById(el).style
	if (displayItem.display == 'none')
		displayItem.display = '';
	else
		displayItem.display = 'none';
}

/***************************************************************************************/
/* Open window function */
/***************************************************************************************/
function openStatsWindow(url)
{
		var newWindow = window.open(url, "", "HEIGHT=338,WIDTH=600,toolbar=no,scrollbars=yes,status=no,menubar=no,resizeable=no");
}

function openAltFlightsWindow(url)
{
		var newWindow = window.open(url, "AltFlightsWindow", "HEIGHT=300,WIDTH=450,toolbar=no,scrollbars=yes,status=no,menubar=no,resizeable=no");
}

/***************************************************************************************/
/* Check destination functions for holidays and flights */
/***************************************************************************************/
function checkHolidayForm(formObj) {
	if (formObj.DestCodes) {
		if (formObj.DestCodes.value == 0) {
			alert('Please select a destination inside this region. Thank you.');
			return false;
		}
	}
	if (formObj.DeptCodes) {
		if (formObj.DeptCodes.value == 0) {
			alert('Please select a departure airport. Thank you.');
			return false;
		}
	}
	return true;
}

function checkFlightDestination(formObj) {
	if (formObj.DestCodes) {
		if (formObj.DestCodes.value == 0) {
			alert('Please select a destination for your flight. Thank you.');
			return false;
		}
	}
	if (formObj.DeptCodes) {
		if (formObj.DeptCodes.value == 0) {
			alert('Please select a departure airport for your flight. Thank you.');
			return false;
		}
	}
	return true;
}

/***************************************************************************************/
/* Rollover code */
/***************************************************************************************/
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		button_home_over = newImage("/images/nav_home_on.gif");
		button_destinations_over = newImage("/images/nav_destinations_on.gif");
		button_holiday_search_over = newImage("/images/nav_holiday_search_on.gif");
		button_flight_search_over = newImage("/images/nav_flight_search_on.gif");
		button_citybreaks_over = newImage("/images/nav_citybreaks_on.gif");
		button_skiing_over = newImage("/images/nav_skiing_on.gif");
		button_car_hire_over = newImage("/images/nav_car_hire_on.gif");
		button_extras_over = newImage("/images/nav_extras_on.gif");
		preloadFlag = true;
	}
}

/***************************************************************************************/
/* Rollover code */
/***************************************************************************************/
function imageWindow(path, imgWidth, imgHeight) {
	var newWindow = window.open('/displayImage.cfm?imageURL='+path, 'imageWindow', 'HEIGHT='+imgHeight+',WIDTH='+imgWidth+',toolbar=no,scrollbar=no,status=no,menubar=no,resizeable=no');
}

/***************************************************************************************/
/* Used in the CMS */
/* Macromedia Dreamweaver Rollover code */
/***************************************************************************************/
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}