function openDialog(title, url, width, height, options) {
	var opt = {
			type: 2,
		    maxmin: false,
		    title: title,
		    shade: [0.1, '#000'],
		    area: [width, height],
		    content: [url, 'yes'],
	};
	$.extend(opt, options);
	var index = top.layer.open(opt); 
}

function closeDialog(windowName) {
	var index;
	if(windowName){
		index = top.layer.getFrameIndex(windowName);
	}else{
		index = top.layer.getFrameIndex(window.name);
	}
	window.setTimeout(function(){
		top.layer.close(index)
	}, 0);
}
function closeAllDialog(){
	top.layer.closeAll();
}
if(top.layer){
	//寮瑰嚭鎻愮ず
	window.alert = function (msg,fu){
		top.layer.alert(msg, function(index){
			if(typeof(fu) != 'undefined'){
				fu();
			}
			top.layer.close(index);
		});
	};
	// 寮瑰嚭纭妗
	window.confirm = function(msg,fu){
		top.layer.confirm(msg, function(index){
			if(typeof(fu) != 'undefined'){
				fu();
			}
			top.layer.close(index);
		}); 
	};
}