function validateForm(fields){
	
	r = true;
	
	if(fields.u_name.value ==""){
		alert('Please provide your name /company name');
		r = false;
	}else if(fields.u_address.value.length <5){
		alert('Please provide an address');
		r = false;
	}else if(fields.u_email.value !="" && fields.u_email.value.indexOf('@') <2){
		alert('Please provide a valid email address');
		r = false;
		
	}else if(fields.u_email.value ==""){
		alert('Please provide an email address');
		r = false;
	}else if(fields.u_message.value ==""){
		alert('Please provide a message for this enquiry');
		r = false;
	}
	
	if(r ==true){
		
	temp = new Array();
	
	temp.push(fields.u_name.value+'^'+fields.u_address.value+'^'+fields.u_email.value+'^'+fields.u_message.value+'^'+fields.u_postcode.value+'^'+fields.u_country.value+'^'+fields.u_telephone.value);
		
	document.getElementById('user_form_vars').value=temp;
	}
	return r;
}

function ui_cart(object){
	
	var r = false;
	var state = document.getElementById('ui_state');
	var cart = document.getElementById('ui_basket');
	var form = document.getElementById('ui_user_details');
	var bbtn = document.getElementById('ui_cart_back');
	var cbtn = document.getElementById('ui_cart_continue');
	
	var classString ='back_to_cart hidden';
	
	var fields = document.getElementById('myEnquiryForm');
	
	if(state.value ==0){
		
		if(object =='ui_cart_continue'){
			
		cart.className = 'hidden';
		form.className ='show';
		state.value=1;
		bbtn.className ='back_to_cart';
		
		}
		
	}else if(state.value==1){
	
		if(object =='ui_cart_back'){
			
		cart.className = 'show';
		form.className ='hidden';
		bbtn.className ='back_to_cart hidden';
		state.value=0;
		
		}else{
		var r = validateForm(fields);
		}
		
	
	}
	return r;
}