function validateForm(){
	var tbSearch;
	tbSearch = document.getElementById("searchSales_tbSearch").value;
	tbSearch = replace_substring(tbSearch, ' ', '');
	if (tbSearch == ''){
		return false;
	}else{
	  document.search.action = '/';		
	  return true;		
	}
}

function setGoPage(){
	var tbGoPage;
	tbGoPage = document.getElementById("searchResults_tbGoPage").value;
	tbGoPage = replace_substring(tbGoPage, ' ', '');
	if ( /^\d{1,3}$/.test(tbGoPage) != true){
		document.getElementById("searchResults_tbGoPage").value = '1';
	}else if (tbGoPage == '0'){
		document.getElementById("searchResults_tbGoPage").value = '1';
	}
	return validateForm();
}