var xhr = new Array(); // ARRAY OF XML-HTTP REQUESTS
var xi = new Array(0); // ARRAY OF XML-HTTP REQUEST INDEXES
xi[0] = 1; // FIRST INDEX SET TO 1 MAKING IT AVAILABLE
var loaders;
var browserName = navigator.appName;
var crg2;
var finishcharger=0;
AKajaxloader = function(){
	loaders=new Array();	
}

AKajaxloader.prototype.xhrRequest= function (type) {
if (!type) {
type = 'html';
}


// xhrsend IS THE xi POSITION THAT GETS PASSED BACK
// INITIALIZED TO THE LENGTH OF THE ARRAY(LAST POSITION + 1)
// IN CASE A FREE RESOURCE ISN'T FOUND IN THE LOOP
var xhrsend = xi.length;

// GO THROUGH AVAILABLE xi VALUES
for (var i=0; i<xi.length; i++) {


// IF IT'S 1 (AVAILABLE), ALLOCATE IT FOR USE AND BREAK
if (xi[i] == 1) {
xi[i] = 0;
xhrsend = i;
break;
}
}


// SET TO 0 SINCE IT'S NOW ALLOCATED FOR USE
xi[xhrsend] = 0;


// SET UP THE REQUEST
if (window.ActiveXObject) {
try {
xhr[xhrsend] = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xhr[xhrsend] = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
} else if (window.XMLHttpRequest) {
xhr[xhrsend] = new XMLHttpRequest();
if (xhr[xhrsend].overrideMimeType) {
xhr[xhrsend].overrideMimeType('text/' + type);
}
}
return (xhrsend);
}


AKajaxloader.prototype.fcn=function (url,elementoDOM, reqType) {
var xhri = this.xhrRequest('html');
crg2.updateLine(loaders[xhri][2], 1);
xhr[xhri].open('GET', url, true);
xhr[xhri].onreadystatechange = function() {
if (xhr[xhri].readyState == 4 ) {
var al=xhri+1;
document.getElementById(elementoDOM).innerHTML=xhr[xhri].responseText;
crg2.updateLine(loaders[xhri][2], 2);
finishcharger++;
if(finishcharger==loaders.length){
	crg2.finish();
	rehacerscrollbars();
}
xi[xhri] = 1;
xhr[xhri] = null;
}
};
xhr[xhri].send(null);
}


AKajaxloader.prototype.addLoader=function(url,elementoDOM,id){
	var insarray=new Array(url,elementoDOM,id,0,"")
	loaders.push(insarray);
}

AKajaxloader.prototype.init=function(){
	finishcharger=0;
	for (var i=0;i<loaders.length;i++){
		this.fcn(loaders[i][0],loaders[i][1]);
	}
}


function iniciar(){
	var crg = new AKajaxloader();
	crg.addLoader("1.htm", document.getElementById("carga"), "cargaajax1");
    crg.addLoader("2.htm", document.getElementById("carga2"), "cargaajax2");
    crg.addLoader("3.htm", document.getElementById("carga3"), "cargaajax3");
	crg.init();
}

function AKajaxload(elmscarga,paginascarga,enespera,enproceso,finalizado,id){
	crg2 = new Cargador();
	crg2.frasecargando="Cargando contenido, pera..."
	if(enespera!=null){
		for (var i=0;i<elmscarga.length;i++){
			var idline=null;
			if(id==undefined||id[i]==null){
				idline="chargerline" + i;
			}else{
				idline=id[i];
			}
		crg2.addLine(enespera[i],enproceso[i],finalizado[i],idline)
	}
	}
	crg2.init();
	
	var crg = new AKajaxloader();
	for (var i=0;i<elmscarga.length;i++){
		var idline=null;
			if(id==undefined||id[i]==null){
				idline="chargerline" + i;
			}else{
				idline=id[i];
			}
		crg.addLoader( paginascarga[i],elmscarga[i], idline);
	}
	crg.init();
}


//window.onload = loadMulti();