function HideContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
}
function ReverseContentDisplay(d) {
if(d.length < 1) { return; }
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}

function check_quantities(e) {
  $('status_message_message').update();
  $('status_message').hide();
  var err=false;
  var valid_qty=false;
  var item = items.get($F('color'));
  item = item||items.get($F('size'));
  if (item[1] < $F('quantity') && !is_registry) {
    $('status_message_message').insert('Your requested quantity for '+item[0]+' exceeds quantity in stock ('+item[1]+').<br/>');
    err=true;
  }else if($F('quantity')>0){valid_qty=true;}

  if(!err && !valid_qty){$('status_message_message').insert('Please select the quantity you would like to purchase.');err=true;}
  if (err) { e.stop();$('status_message').show(); }
  return !err;
}

var is_registry=false;
var color_tmpl = new Template('<div style="font-size:xx-small;float:left;width:29px"><a class="color_link" href="" rel="#{id}" title="#{name}"><img rel="#{id}" src="#{image}" alt="#{name}" title="#{name}" style="margin-right:5px" onerror="this.style.display=\'none\'" /></a></div>');
document.observe('dom:loaded',function(){
  if ($('frm_tellafriend')) $('frm_tellafriend').observe('submit',function(e){
    e.stop();
    $('frm_tellafriend').request({
      onSuccess:function(transport){
        var json=transport.responseText.evalJSON();
        $('status_message_message').update(json.status_message);$('status_message').show();
      }
    });
  });
                             
  if ($('search_string')) $('search_string').observe('focus',function(e){e.element().value=''});
  if ($('email')) $('email').observe('focus',function(e){e.element().value=''});

  var shopspots = $$('.Shop','#side_nav');
  shopspots.each(function(s){
    $($(s).select('ul')[0]).insert('<li class="Shop-by-Designer"><a href="/Shop-by-Designer">Shop by Designer</a></li>');
  });


  $$('.size_link').each(function(s){
    s.observe('click',function(e){
      e.stop();
      $$('.size_link').invoke('removeClassName','current');
      s.addClassName('current');
      var colors = $H(prop_items.get(s.readAttribute("rel")));
      $('color_images').update();
      $('color').update();
      colors.each(function(pair){
        $('color_images').insert(color_tmpl.evaluate(pair.value));
        $('color').insert('<option value="'+pair.value.id+'">'+pair.value.name+'</option>').show();
      });
      $$('.color_link').each(function(s){
        s.observe('click',function(e){
          e.stop();
          $('color').value = s.readAttribute("rel");
        });
      });
      if($('color').options && $('color').options[0]) $('color').options[0].selected = true;

      var item = items.get($F('color'));
      item = item||items.get($F('size'));
      $('span_in_stock').update(' ('+item[1]+' in stock) ');
    });
  });

  if ($('btn_registry')) $('btn_registry').observe('click',function(e){is_registry=true;});
  if ($('add_to_cart')) $('add_to_cart').observe('submit',check_quantities);

// tabs
  $$('.tab_title li').each(function(s){
    s.observe('click',function(e){e.stop();showTab(s)});
  });
  var tab_titles=$$('.tab_title');
  if(tab_titles.length>0){
    showTab(tab_titles.first().firstDescendant());
  }
});

/* Tab widget */
function showTab(tab){
  var elLI, elA;
  if(tab.tagName == 'A' ){
    elLI = tab.parentNode;
    elA = tab;
  }else{
    elLI = tab;
    elA = tab.firstDescendant();
  }
  elLI.siblings().invoke('removeClassName', 'selected');
  elLI.addClassName('selected');

  var elHREF = elA.readAttribute('href').strip();
  if (elHREF.startsWith('#'))  {
    var target = $(elHREF.substring(1));
    target.siblings().invoke('hide');
    target.show();
  }
}
// Chained Selects

// Copyright Xin Yang 2004
// Web Site: www.yxScripts.com
// EMail: m_yangxin@hotmail.com
// Last Updated: 2004-08-23

// This script is free as long as the copyright notice remains intact.

var _disable_empty_list=false;
var _hide_empty_list=false;

// ------
if (typeof(disable_empty_list)=="undefined") { disable_empty_list=_disable_empty_list; }
if (typeof(hide_empty_list)=="undefined") { hide_empty_list=_hide_empty_list; }

var cs_goodContent=true, cs_M="M", cs_L="L", cs_curTop=null, cs_curSub=null;

function cs_findOBJ(obj,n) {
  for (var i=0; i<obj.length; i++) {
    if (obj[i].name==n) { return obj[i]; }
  }
  return null;
}
function cs_findContent(n) { return cs_findOBJ(cs_content,n); }

function cs_findM(m,n) {
  if (m.name==n) { return m; }

  var sm=null;
  for (var i=0; i<m.items.length; i++) {
    if (m.items[i].type==cs_M) {
      sm=cs_findM(m.items[i],n);
      if (sm!=null) { break; }
    }
  }
  return sm;
}
function cs_findMenu(n) { return (cs_curSub!=null && cs_curSub.name==n)?cs_curSub:cs_findM(cs_curTop,n); }

function cs_contentOBJ(n,obj){ this.name=n; this.menu=obj; this.lists=new Array(); this.cookie=""; }; cs_content=new Array();
function cs_topmenuOBJ(tm) { this.name=tm; this.items=new Array(); this.df=0; this.addM=cs_addM; this.addL=cs_addL; }
function cs_submenuOBJ(dis,link,sub) {
  this.name=sub;
  this.type=cs_M; this.dis=dis; this.link=link; this.df=0;

  var x=cs_findMenu(sub);
  this.items=x==null?new Array():x.items;

  this.addM=cs_addM; this.addL=cs_addL;
}
function cs_linkOBJ(dis,link) { this.type=cs_L; this.dis=dis; this.link=link; }

function cs_addM(dis,link,sub) { this.items[this.items.length]=new cs_submenuOBJ(dis,link,sub); }
function cs_addL(dis,link) { this.items[this.items.length]=new cs_linkOBJ(dis,link); }

function cs_showMsg(msg) { window.status=msg; }
function cs_badContent(n) { cs_goodContent=false; cs_showMsg("["+n+"] Not Found."); }

function cs_optionOBJ(text,value) { this.text=text; this.value=value; }
function cs_emptyList(list) { for (var i=list.options.length-1; i>=0; i--) { list.options[i]=null; } }
function cs_refreshList(list,opt,df) {
  cs_emptyList(list);
  if (opt[0].value == 'dummy') {
	list.disabled = 'disabled'; 	
  } else {
	list.disabled = '';
  }

  for (var i=0; i<opt.length; i++) {
    list.options[i]=new Option(opt[i].text, opt[i].value);	
  }

  if (opt.length>0) {
    list.selectedIndex=df;
  }
}
function cs_getOptions(menu) {
  var opt=new Array();
  for (var i=0; i<menu.items.length; i++) {
    opt[i]=new cs_optionOBJ(menu.items[i].dis, menu.items[i].link);
  }
  return opt;
}
function cs_updateListGroup(content,idx,sidx,mode) {
  var i=0, curItem=null, menu=content.menu;

  while (i<idx) {
    menu=menu.items[content.lists[i++].selectedIndex];
  }

  if (menu.items[sidx].type==cs_M && idx<content.lists.length-1) {
    var df=cs_getIdx(mode,content.cookie,idx+1,menu.items[sidx].df);

    cs_refreshList(content.lists[idx+1], cs_getOptions(menu.items[sidx]), df);
    if (content.cookie) {
      cs_setCookie(content.cookie+"_"+(idx+1),df);
    }

    if (idx+1<content.lists.length) {
      if (disable_empty_list) {
        content.lists[idx+1].disabled=false;
      }
      if (hide_empty_list) {
        content.lists[idx+1].style.display="";
      }

      cs_updateListGroup(content,idx+1,df,mode);
    }
  }
  else {
    for (var s=idx+1; s<content.lists.length; s++) {
      cs_emptyList(content.lists[s]);

      if (disable_empty_list) {
        content.lists[s].disabled=true;
      }
      if (hide_empty_list) {
        content.lists[s].style.display="none";
      }

      if (content.cookie) {
        cs_setCookie(content.cookie+"_"+s,"");
      }
    }
  }
}
function cs_initListGroup(content,mode) {
  var df=cs_getIdx(mode,content.cookie,0,content.menu.df);

  cs_refreshList(content.lists[0], cs_getOptions(content.menu), df);
  if (content.cookie) {
    cs_setCookie(content.cookie+"_"+0,df);
  }

  cs_updateListGroup(content,0,df,mode);
}

function cs_updateList() {
  var content=this.content;
  for (var i=0; i<content.lists.length; i++) {
    if (content.lists[i]==this) {
      if (content.cookie) {
        cs_setCookie(content.cookie+"_"+i,this.selectedIndex);
      }

      if (i<content.lists.length-1) {
        cs_updateListGroup(content,i,this.selectedIndex,"");
      }
    }
  }
}

function cs_getIdx(mode,name,idx,df) {
  if (mode) {
    var cs_idx=cs_getCookie(name+"_"+idx);
    if (cs_idx!="") {
      df=parseInt(cs_idx);
    }
  }
  return df;
}

function _setCookie(name, value) {
  document.cookie=name+"="+value;
}
function cs_setCookie(name, value) {
  setTimeout("_setCookie('"+name+"','"+value+"')",0);
}

function cs_getCookie(name) {
  var cookieRE=new RegExp(name+"=([^;]+)");
  if (document.cookie.search(cookieRE)!=-1) {
    return RegExp.$1;
  }
  else {
    return "";
  }
}

// ----
function addListGroup(n,tm) {
  if (cs_goodContent) {
    cs_curTop=new cs_topmenuOBJ(tm); cs_curSub=null;

    var c=cs_findContent(n);
    if (c==null) {
      cs_content[cs_content.length]=new cs_contentOBJ(n,cs_curTop);
    }
    else {
      delete(c.menu); c.menu=cs_curTop;
    }
  }
}

function addList(n,dis,link,sub,df) {
  if (cs_goodContent) {
    cs_curSub=cs_findMenu(n);

    if (cs_curSub!=null) {
      cs_curSub.addM(dis,link||"",sub);
      if (typeof(df)!="undefined") { cs_curSub.df=cs_curSub.items.length-1; }
    }
    else {
      cs_badContent(n);
    }
  }
}

function addOption(n,dis,link,df) {
  if (cs_goodContent) {
    cs_curSub=cs_findMenu(n);

    if (cs_curSub!=null) {
      cs_curSub.addL(dis,link||"");
      if (typeof(df)!="undefined") { cs_curSub.df=cs_curSub.items.length-1; }
    }
    else {
      cs_badContent(n);
    }
  }
}

function initListGroup(n) {
	var _content=cs_findContent(n), count=0;
  if (_content!=null) {
    content=new cs_contentOBJ("cs_"+n,_content.menu);
    cs_content[cs_content.length]=content;

    for (var i=1; i<initListGroup.arguments.length; i++) {
      if (typeof(arguments[i])=="object" && arguments[i].tagName && arguments[i].tagName=="SELECT") {
        content.lists[count]=arguments[i];
		
        arguments[i].onchange=cs_updateList;
        arguments[i].content=content; arguments[i].idx=count++;
      }
	  
      else if (typeof(arguments[i])=="string" && /^[a-zA-Z_]\w*$/.test(arguments[i])) {
        content.cookie=arguments[i];
      }
	  
    }

    if (content.lists.length>0) {
      cs_initListGroup(content,content.cookie);
    }
	
  }
}

function resetListGroup(n) {
  var content=cs_findContent("cs_"+n);
  if (content!=null && content.lists.length>0) {
    cs_initListGroup(content,"");
  }
}
// ------

