function openWindow(url,name,features){
	var w = window.open(url,name,features);
	if(w){
		w.focus();
	}
}

function disp(url){
	if(!window.opener || window.opener.closed){
		window.alert('メインウィンドウがありません');
	}else{
		window.opener.location.href = url;
	}
}

function changediv(box){
	if(document.all){
		var obj = document.all(box);
	}else if(document.getElementById){
		var obj = document.getElementById(box);
	}
	if(obj.style.display == 'block'){
		obj.style.display = 'none';
	}else{
		obj.style.display = 'block';
	}
}

function swichdiv(boxs, menu, max, num){
	//if(! document.getElementById)return;
	for(i = 0; i <= max; i++){
		if(! document.getElementById(boxs+i))continue;
		if(i == num){
			document.getElementById(boxs+i).style.display = 'block';
			document.getElementById(menu+i).style.background = '#dd5555';
		}else{
			document.getElementById(boxs+i).style.display = 'none';
			document.getElementById(menu+i).style.background = '#e0e0e0';
		}
	}
}