SOURCE

function ggetQueryStringArgs(){
		//取得查询字符串并去掉开头的问号
		var qs = (location.search.length > 0 ? location.search.substring(1):""),
		
		//保存数据的对象
		args = {},
		
		//取得每一项
		items = qs.length?qs.split("&");[],
		item = null,
		name = null,
		value = null,
		
		//在for循环中使用
		i = 0,
		len = items.length;
		
		//逐个将每一项添加到args对象中
		for(i = 0; i < len; i++){
			item = items[i].split("=");
			name = decodeURIComponent(item[0]);
			value = decodeURIComponent(item[1]);
			if(name.length){
				args[name] = value;
			}
		}
		return args;
	}