function switchTab(div_on, div_off_1, div_off_2, div_off_3,div_off_4,div_off_5, div_tab_on){
     document.getElementById(div_on).style.display = 'block';
     document.getElementById(div_off_1).style.display = 'none';
     document.getElementById(div_off_2).style.display = 'none';
     document.getElementById(div_off_3).style.display = 'none';
     document.getElementById(div_off_4).style.display = 'none';
	 document.getElementById(div_off_5).style.display = 'none';
	 
	 if(div_tab_on == "first_tab") {
	 	document.getElementById(div_tab_on).style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right_on.gif")  no-repeat right top';
		document.getElementById('first_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left_on.gif")  no-repeat left top';
		document.getElementById('first_link').style.padding = '5px 15px 5px';
		
		document.getElementById('second_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('second_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('second_link').style.padding = '5px 15px 4px';
		
		document.getElementById('third_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('third_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('third_link').style.padding = '5px 15px 4px';		
				
		document.getElementById('four_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('four_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('four_link').style.padding = '5px 15px 4px';		
						
		document.getElementById('five_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('five_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('five_link').style.padding = '5px 15px 4px';
		
		document.getElementById('six_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('six_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('six_link').style.padding = '5px 15px 4px';

	 } else if(div_tab_on == "second_tab") {
	 	document.getElementById(div_tab_on).style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right_on.gif")  no-repeat right top';
		document.getElementById('second_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left_on.gif")  no-repeat left top';
		document.getElementById('second_link').style.padding = '5px 15px 5px';
		
		document.getElementById('first_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('first_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('first_link').style.padding = '5px 15px 4px';
		
		document.getElementById('third_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('third_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('third_link').style.padding = '5px 15px 4px';	 
		
		document.getElementById('four_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('four_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('four_link').style.padding = '5px 15px 4px';		
								
		document.getElementById('five_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('five_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('five_link').style.padding = '5px 15px 4px';
		
		document.getElementById('six_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('six_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('six_link').style.padding = '5px 15px 4px';
	 
	 } else if(div_tab_on == "third_tab") {
	 
	 	document.getElementById(div_tab_on).style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right_on.gif")  no-repeat right top';
		document.getElementById('third_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left_on.gif")  no-repeat left top';
		document.getElementById('third_link').style.padding = '5px 15px 5px';
		
		document.getElementById('first_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('first_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('first_link').style.padding = '5px 15px 4px';
		
		document.getElementById('second_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('second_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('second_link').style.padding = '5px 15px 4px';	
		
		document.getElementById('four_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('four_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('four_link').style.padding = '5px 15px 4px';		
								
		document.getElementById('five_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('five_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('five_link').style.padding = '5px 15px 4px';
		
		document.getElementById('six_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('six_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('six_link').style.padding = '5px 15px 4px';
		
	} else if(div_tab_on == "four_tab") {
	  	 
	 	document.getElementById(div_tab_on).style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right_on.gif")  no-repeat right top';
		document.getElementById('four_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left_on.gif")  no-repeat left top';
		document.getElementById('four_link').style.padding = '5px 15px 5px';
		
		document.getElementById('first_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('first_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('first_link').style.padding = '5px 15px 4px';
		
		document.getElementById('second_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('second_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('second_link').style.padding = '5px 15px 4px';	
		
		document.getElementById('third_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('third_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('third_link').style.padding = '5px 15px 4px';			
								
		document.getElementById('five_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('five_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('five_link').style.padding = '5px 15px 4px';
		
		document.getElementById('six_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('six_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('six_link').style.padding = '5px 15px 4px';
		
    } else if(div_tab_on == "five_tab") {
	  	 
	 	document.getElementById(div_tab_on).style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right_on.gif")  no-repeat right top';
		document.getElementById('five_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left_on.gif")  no-repeat left top';
		document.getElementById('five_link').style.padding = '5px 15px 5px';
		
		document.getElementById('first_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('first_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('first_link').style.padding = '5px 15px 4px';
		
		document.getElementById('second_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('second_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('second_link').style.padding = '5px 15px 4px';	
		
		document.getElementById('third_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('third_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('third_link').style.padding = '5px 15px 4px';	
		
		document.getElementById('four_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('four_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('four_link').style.padding = '5px 15px 4px';		
				
		document.getElementById('six_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('six_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('six_link').style.padding = '5px 15px 4px';
		
		} else if(div_tab_on == "six_tab") {
	  	 
	 	document.getElementById(div_tab_on).style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right_on.gif")  no-repeat right top';
		document.getElementById('six_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left_on.gif")  no-repeat left top';
		document.getElementById('six_link').style.padding = '5px 15px 5px';
		
		document.getElementById('first_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('first_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('first_link').style.padding = '5px 15px 4px';
		
		document.getElementById('second_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('second_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('second_link').style.padding = '5px 15px 4px';	
		
		document.getElementById('third_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('third_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('third_link').style.padding = '5px 15px 4px';	
		
		document.getElementById('four_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('four_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('four_link').style.padding = '5px 15px 4px';
		
		document.getElementById('five_tab').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_right.gif")  no-repeat right top';
		document.getElementById('five_link').style.background = 'url("http://img.obuy.tw/default/chinatimes/img3/norm_left.gif")  no-repeat left top';
		document.getElementById('five_link').style.padding = '5px 15px 4px';
		
		} 
		
	 
	 
  }

  function toggleDiv(divid){
    if(document.getElementById(divid).style.display == 'none'){
      document.getElementById(divid).style.display = 'block';
    }else{
      document.getElementById(divid).style.display = 'none';
    }
  }