function changeHome(pic){
    if (pic == 0){
  	  document.home.src = "../tag/tag_home_silver.gif"
    }else{
  	  document.home.src = "../tag/tag_home_gold.gif"
    }
  }
  function changeCorporate(pic){
    if (pic == 0){
  	  document.corporate.src = "../tag/tag_corporate_silver.gif"
    }else{
  	  document.corporate.src = "../tag/tag_corporate_gold.gif"
    }
  }
  function changeActivities(pic){
    if (pic == 0){
  	  document.activities.src = "../tag/tag_activities_silver.gif"
    }else{
  	  document.activities.src = "../tag/tag_activities_gold.gif"
    }
  }
  function changeWorks(pic){
    if (pic == 0){
  	  document.works.src = "../tag/tag_works_silver.gif"
    }else{
  	  document.works.src = "../tag/tag_works_gold.gif"
    }
  }
  function changeIphone(pic){
    if (pic == 0){
  	  document.iphone.src = "../tag/tag_iphone_silver.gif"
    }else{
  	  document.iphone.src = "../tag/tag_iphone_gold.gif"
    }
  }
  function changeCoretechnology(pic){
    if (pic == 0){
  	  document.coretechnology.src = "../tag/tag_coretechnology_silver.gif"
    }else{
  	  document.coretechnology.src = "../tag/tag_coretechnology_gold.gif"
    }
  }
  function changeNewsrelease(pic){
    if (pic == 0){
  	  document.newsrelease.src = "../tag/tag_newsrelease_silver.gif"
    }else{
  	  document.newsrelease.src = "../tag/tag_newsrelease_gold.gif"
    }
  }