//function GetXmlHttpObject()
//function ajaxGetURL(tmpUrl,resultFunction)
//function ajaxGetURLSync(tmpUrl,resultFunction)
//function ajaxPostURL(tmpUrl,resultFunction,parameters)
//function saveFieldWithPostWebDoc
//function ajaxResult()
//function ajaxLeft(str, n)

var ajaxNJ=new Array();
var resultNJ=new Array();


// get the  XML HTTP Object
function GetXmlHttpObject(){ 
	var XMLHttp=null;
	try	{
		XMLHttp=new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
			try	{
 				XMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
 			}catch(e){
 				XMLHttp==null;
 			}
	}
	if (XMLHttp==null)	{
		XMLHttp=new XMLHttpRequest();
	}
	return	XMLHttp;
}


//Start Ajax 
//tmpUrl= the URL
//resultFunction= is the function name in string without the "()", the result will be past to the function as a argument
function ajaxGetURL(tmpUrl,resultFunction){
	var rand= ajaxLeft(""+(Math.random()*99999),5);
	tmpUrl+="&ui="+ rand;
	var arrayNr;
	for (nr=0; nr<=  ajaxNJ.length; nr++ ){
		if(ajaxNJ[nr]){
			if(ajaxNJ[nr]==null){
			 arrayNr=nr;
			}
		}else{
		arrayNr=nr;
		}
	}
	ajaxNJ[arrayNr]=GetXmlHttpObject();
	resultNJ[arrayNr]=resultFunction;
	if(ajaxNJ[arrayNr]!=null){
			ajaxNJ[arrayNr].onreadystatechange= ajaxResult;
			ajaxNJ[arrayNr].open("GET", tmpUrl, true); 
			ajaxNJ[arrayNr].send(null);			
	}else{
		alert("Your browser does not support this action.");	
	}
	
}

//Start Ajax 
//tmpUrl= the URL
//resultFunction= is the function name in string without the "()", the result will be past to the function as a argument
function ajaxGetURLSync(tmpUrl,resultFunction){
	var rand= ajaxLeft(""+(Math.random()*99999),5);
	tmpUrl+="&ui="+ rand;
	var arrayNr;
	for (nr=0; nr<=  ajaxNJ.length; nr++ ){
		if(ajaxNJ[nr]){
			if(ajaxNJ[nr]==null){
			 arrayNr=nr;
			}
		}else{
		arrayNr=nr;
		}
	}
	ajaxNJ[arrayNr]=GetXmlHttpObject();
	resultNJ[arrayNr]=resultFunction;
	if(ajaxNJ[arrayNr]!=null){
			ajaxNJ[arrayNr].onreadystatechange= ajaxResult;
			ajaxNJ[arrayNr].open("GET", tmpUrl, false); 
			ajaxNJ[arrayNr].send(null);			
	}else{
		alert("Your browser does not support this action.");	
	}
	
}


//Start Ajax 
//tmpUrl= the URL
//resultFunction= is the function name in string without the "()", the result will be past to the function as a argument
function ajaxPostURL(tmpUrl,resultFunction,parameters){
	var rand= ajaxLeft(""+(Math.random()*99999),5);
	tmpUrl+="&ui="+ rand;
	var arrayNr;
	for (nr=0; nr<=  ajaxNJ.length; nr++ ){
		if(ajaxNJ[nr]){
			if(ajaxNJ[nr]==null){
			 arrayNr=nr;
			}
		}else{
		arrayNr=nr;
		}
	}
	ajaxNJ[arrayNr]=GetXmlHttpObject();
	resultNJ[arrayNr]=resultFunction;
	if(ajaxNJ[arrayNr]!=null){
			ajaxNJ[arrayNr].onreadystatechange= ajaxResult;
			ajaxNJ[arrayNr].open("POST", tmpUrl, true);
			ajaxNJ[arrayNr].setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			ajaxNJ[arrayNr].setRequestHeader("Content-length", parameters.length);
			ajaxNJ[arrayNr].setRequestHeader("Connection", "close");
			ajaxNJ[arrayNr].send(parameters);			
	}else{
		alert("Your browser does not support this action.");	
	}
	
}

function saveFieldWithPostWebDoc(db,view,id,parameters,separator,resultFunction){
	var tmpUrl='/'+db+'/postWebDoc?openAgent';
	if( !separator){separator=";"};
	if( separator==""){separator=";"};
	parameters='view='+view+'&id='+id+'&separator='+separator+"&"+parameters;
	ajaxPostURL(tmpUrl,resultFunction,parameters)
}



//Ajax result 
function ajaxResult(){
	var myForm=document.forms[0]; 
	var xmlhttp;
	var tmpResponse;
	for (nr=0; nr<= ajaxNJ.length; nr++ ){	
		xmlhttp= ajaxNJ[nr];
		if(xmlhttp!=null){
			if (xmlhttp.readyState==4)  	{
				// if "OK"
				if (xmlhttp.status==200)  {
					//the response are the requested free and occupied parking spaces			
					tmpResponse=xmlhttp.responseText;
					eval(resultNJ[nr]+"( tmpResponse,4 )");
					
				}else{
					eval(resultNJ[nr]+"( '"+"!Problem retrieving XML data:" + xmlhttp.statusText+"',4 )")
				}
				ajaxNJ[nr]=null;
 			}
 			if (xmlhttp.readyState==3)  	{eval(resultNJ[nr]+"( '',3 )");};
 			if (xmlhttp.readyState==2)  	{eval(resultNJ[nr]+"( '',2 )");};
 			//if (xmlhttp.readyState==1)  	{eval(resultNJ[nr]+"( '',1 )");};
 			//if (xmlhttp.readyState==0)  	{eval(resultNJ[nr]+"( '',0 )");};
  		}
  	}
}

function ajaxLeft(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}