function startSite() {
	var h2s = document.getElementsByTagName("h2"); 
	for (var i = 0; i < h2s.length; i++) { 
    	h2s[i].innerHTML = '<img src="/images/h1.php?str='+escape(h2s[i].innerHTML.toLowerCase())+'" alt="'+h2s[i].innerHTML+'">';
	}

	var h3s = document.getElementsByTagName("h3"); 
	for (var i = 0; i < h3s.length; i++) { 
    	h3s[i].innerHTML = '<img src="/images/h3.php?str='+escape(h3s[i].innerHTML.toLowerCase())+'" alt="'+h3s[i].innerHTML+'">';
	}
	
	var h4s = document.getElementsByTagName("h4"); 
	for (var i = 0; i < h4s.length; i++) { 
    	h4s[i].innerHTML = '<img src="/images/h4.php?str='+escape(h4s[i].innerHTML.toLowerCase())+'" alt="'+h4s[i].innerHTML+'">';
	}
	var h5s = document.getElementsByTagName("h5"); 
	for (var i = 0; i < h5s.length; i++) { 
    	h5s[i].innerHTML = '<img src="/images/h5.php?str='+escape(h5s[i].innerHTML.toLowerCase())+'" alt="'+h5s[i].innerHTML+'">';
	}
	
}

function swapImage(i) {
	document.images.mainimage.src = '/images/collection/'+i+'.jpg';	
	document.getElementById('mainimage_link').href = '/images/collection/'+i+'_large.jpg';	
	document.getElementById('mainimage_link2').href = '/images/collection/'+i+'_large.jpg';	
	
}


function checkOptions(f) {
	for (var i=0; i<f.elements.length; i++) {
		if((f.elements[i].type=='select-one') && (f.elements[i].value==0)) {
			f.elements[i].focus();
			alert("Please enter all the required options");
			return false;
		}
	}
	return true;
}

function deliveryAddress(checkbox) {
	var items = Array('name', 'address1', 'address2', 'address3', 'city', 'county', 'postcode', 'country');
	if(checkbox.checked) {
		for(i=0;i<items.length;i++) {
			document.getElementById('shipping_'+items[i]).value = document.getElementById(items[i]).value;
		}
	}
}

function checkoutConfirm(f) {
	deliveryAddress(f.dummy);
	
	for (var i=0; i<f.elements.length; i++) {
		if( f.elements[i].type=='text' && 
			f.elements[i].name != 'discountcode' && 
		    f.elements[i].name != 'checkout[address2]' && 
			f.elements[i].name != 'checkout[address3]' && 
			f.elements[i].name != 'checkout[shipping_county]' && 
			f.elements[i].name != 'checkout[county]' && 
			f.elements[i].name != 'checkout[shipping_address2]' && 
			f.elements[i].name != 'checkout[shipping_address3]' ) {
			
			if(f.elements[i].value=='') {
				alert("Please enter all the required fields");
				f.elements[i].focus();
				return false;
			}
		}
	}
	return true;
}

function updateCheckout() {
	document.checkoutform.action.value = 'update';
	document.checkoutform.submit();	
}