if (!isdefined('ajax_requesthandler')) var ajax_requesthandler = opcmf_root_url + '/?sv=&class=common&mod=ajax&action=ajax';



function isdefined ( variable){

	return (typeof(window[variable]) == "undefined")?  false: true;

}


/////////////////////
// IMLT functions

function ajaxUnescape( str ){

	if(!str) return "";
	// payload has slashes escaped with whacks
	return str.replace( /\\\//g, "/" );
}


//
/////////////////////

//public functions
function jsphp_gcontent(url,prm,req_callback){

	var jp = new jsPHP('void(0)');
	if(req_callback != '') jp.setCallBack(req_callback);
	jp.cmd(url,prm,false);
	return jp.getdata();
}

function jsphp_svalue(id,url,prm,req_callback,async){

	var jp = new jsPHP('changevalue("'+id+'")');
	if(req_callback != '') jp.setCallBack(req_callback);
	jp.cmd(url,prm);
}

function jsphp_shtml(id,url,prm,req_callback, async){



	var jp = new jsPHP('changehtml("'+id+'")');

	if(req_callback != '') jp.setCallBack(req_callback);

	jp.cmd(url,prm,async);

}

function jsphp_exec(url,prm,req_callback,async){

	var jp = new jsPHP('runjs()');

	if(req_callback != '') jp.setCallBack(req_callback);

	jp.cmd(url,prm,async);

}
  
//ajax-handler class
function jsPHP(efunc){
  
	var req;

	var data = null;
	var exefunction = efunc;

	////////////////////////////////
	// opcmf add-on for callbacks
	var callback = null;
	this.setCallBack = setCallBack;
	//
	////////////////////////////////

	this.cmd = cmd;
	this.getdata = getdata;

	// if Mozilla, Safari etc
	if (window.XMLHttpRequest) 
		req = new XMLHttpRequest()
	// if IE
	else if (window.ActiveXObject){ 

		try {
			req = new ActiveXObject("Msxml2.XMLHTTP")
		} 

		catch (e){

			try{ req = new ActiveXObject("Microsoft.XMLHTTP") }catch (e){}
		}

	}else{
	
		alert('This Browser do not support AJAX-Technology!');
		return ;

	}

  
	//handle status
	req.onreadystatechange = reqreadystatechange;



	function setCallBack(req_callback){

		if(req_callback != "") {
			callback = ajaxUnescape(req_callback);
		}

	}

	function reqreadystatechange() {

		if (req.readyState != 4) return;

		if (req.status == 200) {
			data = req.responseText;
			_showstatus(false);
			try {
				eval(exefunction);
			}catch (e){
				alert('ERROR executing result!');
			}

			////////////////////////////////
			// opcmf add-on for callbacks
			if(callback) try {
				eval(callback);
			}catch (e){
				alert('ERROR executing callback ' + callback + '!');
			}
			//
			////////////////////////////////


		}else{
			alert('ERROR loading data :-(');
		}
	}

  
  function cmd(url,prm,async){
    if(!prm) prm='';
    if(async!=false && async!=true) async=true;
    
    _doajax(url,prm,async);
  }
  
  function getdata(){
    return data;
  }
  
  function changevalue(id){
    document.getElementById(String(id)).value = data;
  }
  
  function changehtml(id){
    document.getElementById(String(id)).innerHTML = data;
  }
  
  function runjs(){
	eval(data);
  }
  
  function _showstatus(on){
    if(on){
      window.defaultStatus = 'Loading...';
      showstatus();
    }else{
      window.defaultStatus = '';
      closestatus();
    }
    
    return true;
  }
  
  function _doajax(url,prm,async) {
    
    data = null;
    
    if(!url || url==''){
      alert('Requestfile is not set!');
      return;
    }else{ url = 'phpinc='+url ;}
    
    if(prm!='') url += '&' + prm;
    
    _showstatus(true);


	req.open('POST', ajax_requesthandler , async);

    	req.setRequestHeader("Method", "POST " + ajax_requesthandler + " HTTP/1.1");


    req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

    req.send(url);

  }
  //statusbar functions
  //---------------------------------------------------------------------
  var verticalpos="frombottom" //enter "fromtop" or "frombottom"
  var startX =30;var startY=30;
  
  function _createstatusbar(){
    //statusbar div
    var uiStatus = document.createElement("div");
        uiStatus.setAttribute("style","visibility:hidden;position:absolute;width:400px;left:0px;top:0px;font:normal 9px Tahoma;background:#ffffca;padding:4px;color:#330000;border:1px #999 solid;z-index:100;");
        uiStatus.setAttribute("id","uiStatus");
        
    var statusText = document.createTextNode("Loading...");
        uiStatus.appendChild(statusText);
    
        window.document.documentElement.appendChild(uiStatus);
    
      
  }
  
  function iecompattest(){
  return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
  }
  
  function closestatus(){
    document.getElementById("uiStatus").style.visibility="hidden"
  }
  
  function showstatus(){
  	if(!document.getElementById("uiStatus")) _createstatusbar();
    
    barheight=document.getElementById("uiStatus").offsetHeight
  	var ns = (navigator.appName.indexOf("Netscape") != -1) || window.opera;
  	var d = document;
  	function ml(id){
  		var el=d.getElementById(id);
  		el.style.visibility="visible"
  		if(d.layers)el.style=el;
  		el.sP=function(x,y){this.style.left=x+"px";this.style.top=y+"px";};
  		el.x = startX;
  		if (verticalpos=="fromtop")
  		el.y = startY;
  		else{
  		el.y = ns ? pageYOffset + innerHeight : iecompattest().scrollTop + iecompattest().clientHeight;
  		el.y -= startY;
  		}
  		return el;
  	}
  	window.stayTopLeft=function(){
  		if (verticalpos=="fromtop"){
  		var pY = ns ? pageYOffset : iecompattest().scrollTop;
  		ftlObj.y += (pY + startY - ftlObj.y)/8;
  		}
  		else{
  		var pY = ns ? pageYOffset + innerHeight - barheight: iecompattest().scrollTop + iecompattest().clientHeight - barheight;
  		ftlObj.y += (pY - startY - ftlObj.y)/8;
  		}
  		ftlObj.sP(ftlObj.x, ftlObj.y);
  		setTimeout("stayTopLeft()", 10);
  	}
  	ftlObj = ml("uiStatus");
  	stayTopLeft();
  }


}