function ChDsp(num){
	obj = new Array('navi01','navi02','navi03','navi04','navi05','navi06');
	
	for(i=0;i<obj.length;i++){
		
		if(i==num){
			document.getElementById(obj[i]).style.display = 'block';	
		}else{
			document.getElementById(obj[i]).style.display = 'none';	
				
		}
	}

	
}