img_name = new Array();
img_name[0] = "images1/muryo_text.jpg";
img_name[1] = "images1/kakehiki_text.jpg";
img_name[2] = "images1/flexible_text.jpg";

img_title = new Array();
img_title[0] = "images1/muryoshuccho.jpg";
img_title[1] = "images1/kakehiki.jpg";
img_title[2] = "images1/flexible.jpg";

img_title2 = new Array();
img_title2[0] = "images1/muryoshuccho2.jpg";
img_title2[1] = "images1/kakehiki2.jpg";
img_title2[2] = "images1/flexible2.jpg";

img1 = new Array();
for(i=0; i<img_name.length; i++) {
  img1[i] = new Image(); 
  img1[i].src = img_name[i];
}

img3 = new Array();
for(i=0; i<img_title.length; i++) {
  img3[i] = new Image(); 
  img3[i].src = img_title[i];
}

img4 = new Array();
for(i=0; i<img_title2.length; i++) {
  img4[i] = new Image(); 
  img4[i].src = img_title2[i];
}

function mouse_over(which) {

  document.images["swapImg"].src=img1[which].src;
  
  if(which == 0){
    document.images["swapImgTitle0"].src=img4[0].src;
    document.images["swapImgTitle1"].src=img3[1].src;
    document.images["swapImgTitle2"].src=img3[2].src;
  }else if(which == 1){
    document.images["swapImgTitle1"].src=img4[1].src;
    document.images["swapImgTitle0"].src=img3[0].src;
    document.images["swapImgTitle2"].src=img3[2].src;
  }else if(which == 2){
    document.images["swapImgTitle2"].src=img4[2].src;
    document.images["swapImgTitle1"].src=img3[1].src;
    document.images["swapImgTitle0"].src=img3[0].src;
  }
  return;
}
function mouse_out(which) {

  if(which == 0){
    document.images["swapImgTitle1"].src=img3[1].src;
    document.images["swapImgTitle2"].src=img3[2].src;
  }else if(which == 1){
    document.images["swapImgTitle2"].src=img3[2].src;
    document.images["swapImgTitle0"].src=img3[0].src;
  }else if(which == 2){
    document.images["swapImgTitle1"].src=img3[1].src;
    document.images["swapImgTitle0"].src=img3[0].src;
  }
  return;
}



function validate(form_id,email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   if(reg.test(address) == false) {
      return false;
   }
}

function first_focus(){
    document.form1.name.focus();
}

function checkform_contact ( form )
{
 var ErrorMessage;
 ErrorMessage ="";
  if (form.name.value == "") {
    ErrorMessage = "Please enter your name.";
    form.name.focus(); 
  }
  
  if (form.phone.value == "") {
    ErrorMessage += "\r\nPlease enter your phone number.";
    form.phone.focus();
  }
  
  if (form.email.value != "") {
    var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    var address = form.email.value;
    if(reg.test(address) == false) {
        ErrorMessage += "\r\nYour e-mail address is invalid.  Please check the e-mail address and try again.";
        form.email.focus();
    }
  }
  
  if (form.category[0].checked == false && form.category[1].checked == false && form.category[2].checked == false && form.category[3].checked == false && form.category[4].checked == false && form.category[5].checked == false) {
    ErrorMessage += "\r\nお問い合わせ項目のカテゴリーをご選択ください。";
  }
  
  if (ErrorMessage == "") {
    return true ;
  }else{
    alert(ErrorMessage);
    return false ;
  }
    
  
}

function checkform ( form )
{
 var ErrorMessage;
 ErrorMessage ="";
  if (form.name.value == "") {
    ErrorMessage = "Please enter your name.";
    form.name.focus(); 
  }
  
  if (form.phone.value == "") {
    ErrorMessage += "\r\nPlease enter your phone number.";
    form.phone.focus();
  }
  
  if (form.email.value != "") {
    var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    var address = form.email.value;
    if(reg.test(address) == false) {
        ErrorMessage += "\r\Your e-mail address is invalid.  Please check the e-mail address and try again.";
        form.email.focus();
    }
  }

  if (ErrorMessage == "") {
    return true ;
  }else{
    alert(ErrorMessage);
    return false ;
  }
    
  
}