{
//Pre-load cottage images
alt1 = new Image();
alt1.src="images/granary_button.gif";

alt2 = new Image();
alt2.src="images/bride_button.gif";

alt3 = new Image();
alt3.src="images/spindle_button.gif";

alt4 = new Image();
alt4.src="images/sundial_button.gif";

alt5 = new Image();
alt5.src="images/mead_button.gif";

alt6 = new Image();
alt6.src="images/garden_button.gif";

alt7 = new Image();
alt7.src="images/out_button.gif";

alt8 = new Image();
alt8.src="images/map_button.gif";

alt9 = new Image();
alt9.src = "images/greymare_button.gif";
}
//function that changes cottage pics
function imageChange(imageID,imageName,imageID2,imageName2) 
	{ 
		{
		document.images[imageID].src = eval(imageName + ".src");
		}
	}
//function that changes text colour
function goOn( el )
	{
	if (navigator.appName == "Microsoft Internet Explorer")
		{
		el.style.color="#ffff00";
		return;
		}
	else
		{
		return;	
		}
	}
//function which changes it back again
function goOff( el )
	{
	if (navigator.appName == "Microsoft Internet Explorer")
		{
		el.style.color="#f0e68c";
		return;
		}
	else
		{
		return;
		}
	}
//function which opens windows
function openWin( windowURL, windowName, windowFeatures ) 
	{ 
	return window.open( windowURL, windowName, windowFeatures ) ; 
	}
	
//form validation	
	function validate(){
	form=document.bookForm
	if(form.email.value=="" && form.tel.value=="")
	alert("Please enter your email address OR telephone number.");
	return false;
	}