function fatcatjavascript()
{
	
	var package = document.forms.booking.package.value;
	package_data = package.split('---');
	
	var package_name = package_data[0];
	var package_adult = package_data[1];
	var package_child = package_data[2];
	var package_u5 = package_data[3];	
	
	if(!package_u5) { 
		document.forms.booking.under5.style.display = 'none'; 
		document.getElementById('undermsg').style.visibility = 'visible'; 		
		document.forms.booking.under5ages.disabled = true;
		document.getElementById('under5ages').style.backgroundColor = '#f5f5f5'; 
	} else { 
		document.forms.booking.under5.style.display = 'inline'; 
		document.getElementById('undermsg').style.visibility = 'hidden'; 		
		document.forms.booking.under5ages.disabled = false;		
		document.getElementById('under5ages').style.backgroundColor = '#ffffff'; 		
	}
	
	var adults = document.forms.booking.adults.value;
	var children = document.forms.booking.children.value;
	
	var total = ( parseFloat(package_adult) * parseInt(adults) ) + ( parseFloat(package_child) * parseInt(children) );
	
	document.getElementById('totalPrice').innerHTML = twoDecimals(total);

		
	
}

function twoDecimals(n) {
   var s = "" + Math.round(n * 100) / 100
   var i = s.indexOf('.')
   if (i < 0) return s + ".00"
   var t = s.substring(0, i + 1) + s.substring(i + 1, i + 3)
   if (i + 2 == s.length) t += "0"
   return t
}