// JavaScript Document

function check_search(){
	var form = document.frmSearch;
	if(form.article_search.value == ""){
		form.article_search.value = "ใส่คำค้นแล้วกด Enter";	
	}else if(form.article_search.value == "ใส่คำค้นแล้วกด Enter"){
		form.article_search.value = "";	
	}
}