var num = 1;

function changeImage(img_id,id,id_num2){
	if(id_num2 != num){
		document.getElementById( id ).src = img_id;
	}
}

function changeImage2(img_id,id,id_num){
	document.getElementById( "news01" ).src = "./img/tab_news01_df.jpg";
	document.getElementById( "news02" ).src = "./img/tab_news02_df.jpg";
	document.getElementById( "news03" ).src = "./img/tab_news03_df.jpg";
	document.getElementById( "news04" ).src = "./img/tab_news04_df.jpg";
	document.getElementById( "news05" ).src = "./img/tab_news05_df.jpg";
	document.getElementById( "news06" ).src = "./img/tab_news06_df.jpg";
	document.getElementById( id ).src = img_id;
	num = id_num;
}

function changeImage3(img_id,id,id_num){
	document.getElementById( "tour01" ).src = "./img/tab_tour01_df.jpg";
	document.getElementById( "tour02" ).src = "./img/tab_tour02_df.jpg";
	document.getElementById( "tour03" ).src = "./img/tab_tour03_df.jpg";
	document.getElementById( id ).src = img_id;	
	num = id_num;
}

function changeImage4(img_id,id,id_num){
	document.getElementById( "card01" ).src = "./img/tab_card01_df.jpg";
	document.getElementById( "card02" ).src = "./img/tab_card02_df.jpg";
	document.getElementById( id ).src = img_id;	
	num = id_num;
}