function validate(){
	if(document.search.q.value==''||document.search.q.value=='              Enter Keyword'){
		alert('Please define the search keyword!');
		document.search.q.value='';
		document.search.q.focus();
		return false;
	}
	else if(document.search.c.value==''){
		alert('Please define the category!');
		document.search.c.focus();
		return false;
	}
	return true;
}