function post_to_shop_search(theAction) { 
	var form = document.createElement('form'); 
	form.action = theAction; 
	form.method = 'POST'; 

	var input = document.createElement('input'); 
	input.type = 'hidden'; 
	input.name = 's'; 
	input.value = document.getElementById('txtShopSearch').value; 

	form.appendChild(input); 
	document.body.appendChild(form); 
	form.submit(); 
}