function tabshowhide(id){
	var id_num=id.substr(1,id.length-1)
	var start_point=1
	var end_point=0
	if(id_num<=3){
		start_point=1
		end_point=3
	}else if(id_num>3&&id_num<=5){

		start_point=4
		end_point=5
	}
	else if(id_num>5&&id_num<=10){

		start_point=6
		end_point=10
	}
	else if(id_num>11&&id_num<=13){
		start_point=12
		end_point=13
	}
	for(var l_id=start_point;l_id<=end_point;l_id++){
		var curr_id="l"+l_id
		
		var curr_content_id="tabcontent"+l_id
		if(curr_id==id){
			document.getElementById(curr_id).className='current'
			document.getElementById(curr_content_id).style.display='block'
		}else{
			document.getElementById(curr_id).className=''
			document.getElementById(curr_content_id).style.display='none'
		}
	}	
}