var reqasync=null;

function ahah_async(url,divid,add) {
	//alert('ss');				
    document.body.style.cursor='wait';
	if(reqasync==null || reqasync.readyState==4){
    	if (window.XMLHttpRequest) {
        	reqasync = new XMLHttpRequest();
      	} 
      	else if (window.ActiveXObject) {
//			reqasync = new ActiveXObject("MSXML2.XMLHTTP.4.0");
			reqasync = new ActiveXObject("Microsoft.XMLHTTP");
      	}
    	if (reqasync != undefined) {
			try{
				reqasync.xxx=divid;
				reqasync.add=add;
		    	reqasync.onreadystatechange=async_done_getlist;
			    reqasync.open("GET", url, true);
			    reqasync.send("null");
			    
			}
			catch(error){
    	    	reqasync.abort();
			}
    	}
  	}
	
}

function async_done_getlist(){
	if(reqasync && reqasync.readyState==4){
		var pocket;
		if(reqasync.status==200){
	        document.body.style.cursor='default';				
			var result=reqasync.responseText;
			if (document.getElementById(reqasync.xxx)){
				//document.getElementById(reqasync.xxx).innerHTML=document.getElementById(reqasync.xxx).innerHTML+result;
				if(reqasync.add=='add'){
					pocket=document.getElementById(reqasync.xxx).innerHTML;				
					pocket=mjk_cut_text(pocket,'<center>','</center>');				
					pocket=mjk_cut_text(pocket,'<CENTER>','</CENTER>');
					pocket=mjk_cut_text(pocket,'<center','</center>');				
					pocket=mjk_cut_text(pocket,'<CENTER','</CENTER>');		
					document.getElementById(reqasync.xxx).innerHTML=pocket+result;				
				}
				else if(document.getElementById(reqasync.xxx).innerHTML==''){
					document.getElementById(reqasync.xxx).innerHTML=result;
				}
				else{
					document.getElementById(reqasync.xxx).innerHTML=result;
				}
			}
			//result-al azt csinálsz amit akarsz, ebben van a php scriptkimenete
		    reqasync=null;
		}
    }
}

function PutLoad(divid){
	var top;
	top=document.getElementById(divid).offsetHeight;
	//alert(top);
	document.getElementById(divid).innerHTML=document.getElementById(divid).innerHTML+"<center><img src='images/load.gif' class='load_img' style='position:absolute;margin-top:-"+Math.round(top/2)+"px;'/></center>";
}
function mjk_cut_text(txt,nyito_string,zaro_string){
	var eleje;
	var vege;
	if(txt.indexOf(nyito_string)>0){
		ettol=txt.indexOf(nyito_string);
		eddig=(txt.indexOf(zaro_string))+zaro_string.length;
		eleje=txt.substr(0,ettol);
		vege=txt.substr(eddig);
		txt=eleje+vege;
	}
	return txt;
}