function search_form(){
    if(document.search.searchbox.value == ""  || document.search.searchbox.value == "Enter Your Text ..."){
        alert ( "Please enter your search text first!" );
        return false;
    }
    return true;
}
function clear_search(){
	if (document.search.searchbox.value == 'Enter Your Text ...') document.search.searchbox.value = '';
}