function Validate_Search()
{
	if (document.search.search_string.value==""){
		alert("Please enter a keyword or code to search our products.")
		document.search.search_string.focus();
		return false;
	}
	if (document.search.search_string.value.length<=1){
		alert("Please enter at least 2 alphanumeric character to search.")
		document.search.search_string.focus();
		return false;
	}
		return true;
}