function CH_List(obj){
	if( obj == "1" ){
	    list1.style.display = 'block';
	    list2.style.display = 'none';
	    bodylist1.src = "image/tab_surportor_over.jpg";
	    bodylist2.src = "image/tab_sponsor.jpg";
	}else if( obj == "2" ){
	    list1.style.display = 'none';
	    list2.style.display = 'block';
	    bodylist1.src = "image/tab_surportor.jpg";
	    bodylist2.src = "image/tab_sponsor_over.jpg";		
	
	}
}