// JavaScript Document

// Justin, preload these please....
if (document.images)
{

preload_image = new Image(363,51);     
preload_image.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/blanch_grey.jpg";
preload_image1 = new Image(363,51);     
preload_image1.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/blanch_on.jpg"; 
preload_image2 = new Image(363,51);     
preload_image2.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/blanch_off.jpg";  

preload_image3 = new Image(309,51);     
preload_image3.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/northwood_grey.jpg";
preload_image4 = new Image(309,51);     
preload_image4.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/northwood_off.jpg"; 
preload_image5 = new Image(309,51);     
preload_image5.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/northwood_on.jpg";

preload_image6 = new Image(259,51);     
preload_image6.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/dundalk_grey.jpg";
preload_image7 = new Image(259,51);     
preload_image7.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/dundalk_off.jpg"; 
preload_image8 = new Image(259,51);     
preload_image8.src="http://www.cpireland.crowneplaza.com/assets/templates/cphotelgroup/images/topnav/dundalk_on.jpg";

}

<!--
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_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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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];}
}
//-->
if (document.images)
{
	preload_image_object = new Image();
	// set image url
	image_url = new Array();
	image_url[0] = "http://interactivereturn.blacknight.ie/~cpmaster/cpholding.ie/assets/templates/cphotelgroup/images/topnav/dundalk_off.jpg";
	image_url[1] = "http://interactivereturn.blacknight.ie/~cpmaster/cpholding.ie/assets/templates/cphotelgroup/images/topnav/dundalk_on.jpg";
	image_url[2] = "http://interactivereturn.blacknight.ie/~cpmaster/cpholding.ie/assets/templates/cphotelgroup/images/topnav/northwood_off.jpg";
	image_url[3] = "http://interactivereturn.blacknight.ie/~cpmaster/cpholding.ie/assets/templates/cphotelgroup/images/topnav/northwood_on.jpg";
	image_url[4] = "http://interactivereturn.blacknight.ie/~cpmaster/cpholding.ie/assets/templates/cphotelgroup/images/topnav/blanch_off.jpg";
	image_url[5] = "http://interactivereturn.blacknight.ie/~cpmaster/cpholding.ie/assets/templates/cphotelgroup/images/topnav/blanch_on.jpg";

	var i = 0;
	for(i=0; i<=3; i++) 
	{
		preload_image_object.src = image_url[i];
	}
}

/* ================================================================================= */	
/* Validate Email Address */

function validEmail(email)
	{
	invalidChars = "/:;,";
	if(email == "")
		{
		return false;
		}
	for(i=0; i<invalidChars.length; i++)
		{
		badChar=invalidChars.charAt(i);
		if (email.indexOf(badChar,0) != -1)
			{
			return false;
			}
		}
	atPos = email.indexOf("@",1);
	if(atPos == -1)
		{
		return false;
		}
	if (email.indexOf("@", atPos+1) != -1)
		{
		return false;
		}
	periodPos = email.indexOf(".",atPos);
	if(periodPos == -1)
		{
		return false;
		}
	if(periodPos+3>email.length)
		{
		return false;
		}
	return true;
	}

function validateEmail(email)
	{	
		if (!validEmail(email.value))
		{
		alert("Invalid Email Address");
		email.focus();
		email.select();
		return false;
		}
	else
		{
		return true;
		}
	}

/* ================================================================================= */	
/* Add to Favourites */

function bookmark(url,title)
	{
	if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) 
		{
		window.external.AddFavorite(url,title)
		}
	else
		{
		var msg = "Don't forget to bookmark us!";
		if(navigator.appName == "Netscape") msg += " (CTRL+D)";
		alert(msg);
		}
	}

/* ================================================================================= */	
/* popUp window */

function popUp(url,w,h,l,t)
	{
	newWindow = window.open (url,'newWin','scrollbars=no,width='+w+',height='+h+',left='+l+',top='+t);
	}
	
function popFNF(url)
	{
	newWindow = window.open (url,'newWin','scrollbars=no,width=350,height=400,left=150,top=300');
	}
	
/* ================================================================================= */	
/* used on 14 day trail page, only allows a certain number of radio buttons to be pressed.*/

  function limitChecked(obj)
  {
    if (obj.checked) {
		numberChecked = numberChecked + 1
	} else {
		numberChecked = numberChecked - 1
	}
	
    if(numberChecked > maxAllowed)
    {
      alert('You may only check up to '
           + maxAllowed
           + ' engines.');
      obj.checked = false;
      numberChecked--;
    }
  }
  
// 17/11/2008, New Contact US form validation
function contact_us(form)
{
	if(form.name.value == "") { alert("Please enter your name."); form.name.focus(); return false; } 
	if(!form.email.value == "") 
	{ 
		if (!validEmail(form.email.value))
		{
			alert("Please enter a valid email address."); 
			form.email.focus(); 
			return false; 
		}
	} else {
		alert("Please enter your email address."); 
		form.email.focus(); 
		return false; 
	}
	if(form.phone.value == "") { alert("Please enter your phone number."); form.phone.focus(); return false; } 
	if(form.message.value == "") { alert("Please enter a message."); form.message.focus(); return false; } 

	return true;
}