// JavaScript Document

function tab2() 

{ 



 document.getElementById('tab1').style.background="url('../images/product_page/tab_b.jpg')" 
 document.getElementById('tab2').style.background="url('../images/product_page/tab_2_a.jpg')"
 document.getElementById('tab3').style.background="url('../images/product_page/tab_3_b.jpg')"
 document.getElementById('tab4').style.background="url('../images/product_page/tab_4_b.jpg')"
 document.getElementById("tabcontent1").style.visibility="hidden"
 document.getElementById("tabcontent2").style.visibility="visible"
 document.getElementById("tabcontent3").style.visibility="hidden"
 document.getElementById("tabcontent4").style.visibility="hidden"
}

function tab1() 

{ 



 document.getElementById('tab1').style.background="url('../images/product_page/tab_a.jpg')" 
 document.getElementById('tab2').style.background="url('../images/product_page/tab_2_b.jpg')" 
 document.getElementById('tab3').style.background="url('../images/product_page/tab_3_b.jpg')"
 document.getElementById('tab4').style.background="url('../images/product_page/tab_4_b.jpg')"
 document.getElementById("tabcontent1").style.visibility="visible"
 document.getElementById("tabcontent2").style.visibility="hidden"
 document.getElementById("tabcontent3").style.visibility="hidden"
 document.getElementById("tabcontent4").style.visibility="hidden"
}

function tab3() 

{ 



 document.getElementById('tab1').style.background="url('../images/product_page/tab_b.jpg')" 
 document.getElementById('tab2').style.background="url('../images/product_page/tab_2_b.jpg')" 
 document.getElementById('tab3').style.background="url('../images/product_page/tab_3_a.jpg')"
 document.getElementById('tab4').style.background="url('../images/product_page/tab_4_b.jpg')"
  document.getElementById("tabcontent1").style.visibility="hidden"
 document.getElementById("tabcontent2").style.visibility="hidden"
 document.getElementById("tabcontent3").style.visibility="visible"
 document.getElementById("tabcontent4").style.visibility="hidden"
}


function tab4() 

{ 



 document.getElementById('tab1').style.background="url('../images/product_page/tab_b.jpg')" 
 document.getElementById('tab2').style.background="url('../images/product_page/tab_2_b.jpg')" 
 document.getElementById('tab3').style.background="url('../images/product_page/tab_3_b.jpg')"
 document.getElementById('tab4').style.background="url('../images/product_page/tab_4_a.jpg')"
  document.getElementById("tabcontent1").style.visibility="hidden"
 document.getElementById("tabcontent2").style.visibility="hidden"
 document.getElementById("tabcontent3").style.visibility="hidden"
 document.getElementById("tabcontent4").style.visibility="visible"
}