// JavaScript Document

function afocus(){
var x = document.getElementById('shbox');
x.focus();
}
if(document.getElementById('shbox')){
window.onload = afocus;
}


function err(){

              var box = document.getElementById("shbox").value;

              box = box.replace(/　/gi,"");

              box = box.replace(/ /gi,"");

 

              if(box.length < 2){

                            document.getElementById("alert").display = "block";

                            document.getElementById("alert").innerHTML = "<p>※キーワードは2文字以上入力してください</p>";

                            return false;

              }else if(box == "キーワードを入力してください"){

                            document.getElementById("alert").display = "block";

                            document.getElementById("alert").innerHTML = "<p>※キーワードを入力してください</p>";

                            return false;

              }

}



//textbox
write = false;

function shfo(){
var txtbox = document.getElementById("shbox");
if(write==false){
txtbox.value = "";
txtbox.style.color = "#000000";
write = true;
}
}


function shbl(){
var txtbox = document.getElementById("shbox");
if(txtbox.value==""){
txtbox.value = "キーワードを入力してください";
txtbox.style.color = "#666666";
write = false;
}
}