document.getElementsByClassName = function() {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();

  for (var i = 0; i < children.length; i++) {
    var child = children[i];
    var classNames = child.className.split(' ');
    for (var j = 0; j < classNames.length; j++) {
    	for (var k = 0; k < arguments.length; k++) {
			if (classNames[j] == arguments[k]) {
        		elements.push(child);
       			break;
      		}
      }
    }
  }

  return elements;
}
document.getElementsByPrefix = function(prefix) {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();

  for (var i = 0; i < children.length; i++) {
    var child = children[i];
    var eid = child.id;
    if(eid&&eid.indexOf(prefix)>-1)
        elements.push(child);
  }

  return elements;
}

//基本请求类

RequestBase=new Class({
	initialize:function(){
		this.END_POINT = '/control/control.php';
    	this.session_id=window.session_id;
	},
	 _post: function(method, callback, params, postBody) {
    	var url = this.END_POINT;
    	var query = this._queryString(method, params);
    	this.ajax=new Ajax.Request(url, { parameters:     query,
                         postBody:       postBody,
                         method:         "post",
                         methodName:     method,
                         onComplete:     callback });
   },
   _queryString: function(method, params) {
    	var query = 'op=' + method;
    	if (this.session_id)
      		query += '&session_id=' + this.session_id;
    	for (var name in params) {
      		if (name != 'extend')
        		if (params[name]) {
          			query += '&' + name + '=' + params[name];
        		}
    	}
    return query;
   },
   getHttpElements:function(xmlhttp){
   		if (xmlhttp.status != 200)
        {
            //状态提示
            return new Array();
        }
        var elements = xmlhttp.responseXML.getElementsByTagName("rsp");
        if (elements == null || elements.length != 1)
        {
            return new Array();
        }
        var status=new Array();
        var rsp = elements[0];
        //var stat = rsp.getAttribute("stat");
        //status[stat]=rsp;
        return rsp;

   }
});

//弹出层

PopDiv= RequestBase.extend({
  initialize: function() {
  	this.parent();
  	this.id="t";
  	this.clickId="t";
  	this.width=100;
  	this.height=100;
  },
  init:function(){
  	this.createUI();
  	this.setContentHTML(this.getContentHTML());
  },
  createUI:function(){

  	var div=document.createElement("div");
  	div.className="popLayer";
  	div.id=this.id;

  	div.style.display="none";
  	div.style.width=this.width+"px";
  	div.style.zIndex=10000;
  	div.style.position="absolute";
	var html='<div class="popTop"><div class="topLeft"></div><div class="topRight"></div><div class="topLine"></div></div>';
	html+='<div class="popMain">sssssssssssssssssssssssssssss</div>';
	div.innerHTML=html;
	document.body.appendChild(div);
//    window.appendChild( div );
	this.htmlElement=div;

	var div=document.createElement("div");
	div.className="popBottom";
	div.innerHTML='<div class="botLeft"></div><div class="botRight"></div><div class="botLine"></div>';
	this.htmlElement.appendChild(div);
	this.bottomElement=div;

	var closeElement1=document.createElement('a');
	closeElement1.href="javascript:;";
	closeElement1.className="close1";
	this.htmlElement.appendChild(closeElement1);
	this.closeElement1=closeElement1;

	var closeElement=document.createElement('a');
	closeElement.href="javascript:;";
	closeElement.className="close";
	closeElement.style.display="none";
	this.htmlElement.appendChild(closeElement);
	this.closeElement=closeElement;

	this.closeElement.onclick=this.hide.bindAsEventListener(this);
	this.closeElement1.onmouseover=this.onMouseOver.bindAsEventListener(this);
	this.closeElement.onmouseout=this.onMouseOut.bindAsEventListener(this);

	var div=document.createElement("div");
	div.className="popTitle";
	this.htmlElement.appendChild(div);
	this.titleElement=div;

	var div=document.createElement("div");
	div.className="popNote";
	this.htmlElement.appendChild(div);
	this.statusElement=div;
	if($(this.clickId))
	$(this.clickId).onclick=this.show.bindAsEventListener(this);
  },
  onMouseOut:function(){
  	this.closeElement.style.display="none";
	this.closeElement1.style.display="";
  },
  onMouseOver:function(){
  	this.closeElement1.style.display="none";
	this.closeElement.style.display="";

  },
  show:function(e){
  	this.position(e);
  	this.htmlElement.style.display="";
  },
  hide:function(){
  	this.htmlElement.style.display="none";
  },
  setContentHTML:function(html){
  	var nodes=this.htmlElement.childNodes;
  	var contentDiv=false;
  	for(var i=0;i<nodes.length;i++){
  		if(nodes[i].nodeType==1&&nodes[i].className&&nodes[i].className=='popMain'){
  			contentDiv=nodes[i];break;
  		}
  	}
  	contentDiv.innerHTML=html;
  },
  getContentHTML:function(){

  	return "";
  },
  setTitle:function(title){
  	this.titleElement.innerHTML=title;
  },
  setStatus:function(info){
  	this.statusElement.innerHTML="<span>*</span>"+info;
  },
   position: function(e)
    {
    	var offWidth=parseInt(this.htmlElement.style.width);

        if (this.htmlElement)
        {
             this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
            var x= e.clientX+ this.deltaX ;
            if((x+offWidth)>=document.body.clientWidth) x = document.body.clientWidth - offWidth-20;
            var y= e.clientY+ this.deltaY+30;
            this.htmlElement.style.left = x + "px";
            this.htmlElement.style.top = y + "px";
            this.htmlElement.style.display="";
        }
    }

});

function addBookmark(url,title) {
	var url=window.location.href;
	var title=document.title;
	if (window.sidebar)
	{
		window.sidebar.addPanel(title, url,"");
	}else if( document.all )
	{
		window.external.AddFavorite( url, title);
	}
}

function utf16to8(str) {
    var out, i, len, c;

    out = "";
    len = str.length;
    for(i = 0; i < len; i++) {
        c = str.charCodeAt(i);
        if ((c >= 0x0001) && (c <= 0x007F)) {
            out += str.charAt(i);
        } else if (c > 0x07FF) {
            out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
            out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
            out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
        } else {
            out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));
            out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
        }
    }
    return out;
}
function utf8to16(str) {
    var out, i, len, c;
    var char2, char3;

    out = "";
    len = str.length;
    i = 0;
    while(i < len) {
        c = str.charCodeAt(i++);
        switch(c >> 4)
        {
            case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
                out += str.charAt(i-1);
                break;
            case 12: case 13:
                char2 = str.charCodeAt(i++);
                out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
                break;
            case 14:
                char2 = str.charCodeAt(i++);
                char3 = str.charCodeAt(i++);
                out += String.fromCharCode(((c & 0x0F) << 12) |
                        ((char2 & 0x3F) << 6) |
                        ((char3 & 0x3F) << 0));
                break;
        }
    }

    return out;
}
var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64DecodeChars = new Array(
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
    -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);

function base64encode(str) {
    str=utf16to8(str);
    str=escape(str);
    var out, i, len;
    var c1, c2, c3;

    len = str.length;
    i = 0;
    out = "";
    while(i < len) {
	c1 = str.charCodeAt(i++) & 0xff;
	if(i == len)
	{
	    out += base64EncodeChars.charAt(c1 >> 2);
	    out += base64EncodeChars.charAt((c1 & 0x3) << 4);
	    out += "==";
	    break;
	}
	c2 = str.charCodeAt(i++);
	if(i == len)
	{
	    out += base64EncodeChars.charAt(c1 >> 2);
	    out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
	    out += base64EncodeChars.charAt((c2 & 0xF) << 2);
	    out += "=";
	    break;
	}
	c3 = str.charCodeAt(i++);
	out += base64EncodeChars.charAt(c1 >> 2);
	out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
	out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
	out += base64EncodeChars.charAt(c3 & 0x3F);
    }
    return out;
}

function base64decode(str) {
    str=unescape(str);
    var c1, c2, c3, c4;
    var i, len, out;

    len = str.length;
    i = 0;
    out = "";
    while(i < len) {
	/* c1 */
	do {
	    c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
	} while(i < len && c1 == -1);
	if(c1 == -1)
	    break;

	/* c2 */
	do {
	    c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
	} while(i < len && c2 == -1);
	if(c2 == -1)
	    break;

	out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));

	/* c3 */
	do {
	    c3 = str.charCodeAt(i++) & 0xff;
	    if(c3 == 61)
		return out;
	    c3 = base64DecodeChars[c3];
	} while(i < len && c3 == -1);
	if(c3 == -1)
	    break;

	out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));

	/* c4 */
	do {
	    c4 = str.charCodeAt(i++) & 0xff;
	    if(c4 == 61)
		return out;
	    c4 = base64DecodeChars[c4];
	} while(i < len && c4 == -1);
	if(c4 == -1)
	    break;
	out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
    }
    return utf8to16(out);
}
/*播放mp3，参数1地址，参数2 div的id*/
function playMp(url,id){
    var html='<object classid="CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6" width="100%" height="45"><PARAM name="autoStart" value="false"><param name="playCount" value="100" /><param name="url" value="{$url}" /><PARAM name="allowScriptAccess" value="never"/><PARAM name="enableJSURL" value="false"/><PARAM name="enableHREF" value="false"/><PARAM name="allowNetworking" value="internal"/></object>';
	var url=base64decode(url);
	html=html.replace("{$url}",url);
	$(id).innerHTML=html;
}