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
function xhrRequest(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);
};
function ajaxHTML(url, span, loading, alCargar) {
	if (loading){
		document.getElementById(span).innerHTML = loading;
	}
	var xhri = xhrRequest('html');			
	xhr[xhri].open('GET', url, true);
	xhr[xhri].onreadystatechange = function() {
		//if (xhr[xhri].readyState == 4 && xhr[xhri].status == 200) {
		if (xhr[xhri].readyState == 4) {
			if(document.getElementById(span)){
				document.getElementById(span).innerHTML = xhr[xhri].responseText;
			}
			//alert(xhr[xhri].responseText);
			xi[xhri] = 1;
			xhr[xhri] = null;
			if (alCargar){
				setTimeout(alCargar, 0);
			}
		}
	};
	xhr[xhri].send(null);
};
function RefreshImage(valImageId) {
	var objImage = document.images[valImageId];
	if (objImage == undefined) {
		return;
	}
	var now = new Date();
	objImage.src = objImage.src.split('?')[0] + '?x=' + now.toUTCString();
};
function Display(id) {
  if (!document.getElementById) return false;
  fila = document.getElementById(id);
  if (fila.style.display != "none") {
    fila.style.display = "none"; //ocultar fila 
	if (document.getElementById(id+'_show')){
		document.getElementById(id+'_show').src='/Admin_Inc/Imagenes/1000png/bullet_toggle_plus.png';
	}
  } else {
    fila.style.display = "block"; //mostrar fila 
	if (document.getElementById(id+'_show')){
	document.getElementById(id+'_show').src='/Admin_Inc/Imagenes/1000png/bullet_toggle_minus.png';
	}
  }
};
function DisplayFix(id) {
  if (!document.getElementById) return false;
  fila = document.getElementById(id);
    fila.style.display = "block"; //mostrar fila 
	if (document.getElementById(id+'_show')){
	document.getElementById(id+'_show').src='/Admin_Inc/Imagenes/1000png/bullet_toggle_minus.png';
	}
};
function refresca_session(){
	ajaxHTML('/Config/Actions.asp?Action=Ref', 'Estado_Session', '' ,'');
};
function checkHidden(id){
	if(document.getElementById(id).value=="true"){
		document.getElementById(id).value="false";
		document.getElementById('img_'+id).src="/Admin_Inc/Imagenes/1000png/cancel.png";
	}else{
		document.getElementById(id).value="true";
		document.getElementById('img_'+id).src="/Admin_Inc/Imagenes/1000png/accept.png";
	}
};
function PageXMail(Id){
	void(window.open('/Config/Actions.asp?Action=PageXMail&Id_Page='+Id, 'print','width=550, height=300, scrollbars=1'));
}
function PagePrint(URL){
	void(window.open(URL, 'print','width=790, height=600, scrollbars=1'));
}
function RefrForm(id){
	document.getElementById(id).submit();
}
function loopSelected(Id){
	var selectedArray = new Array();
	var selObj = Id;
	var i;
	var count = 0;
	for (i=0; i<selObj.options.length; i++) {
		if (selObj.options[i].selected) {
			selectedArray[count] = selObj.options[i].value;
			count++;
		}
	}
	return selectedArray;
}
function Enviar(Id){
	for (i=1; i < document.getElementById(Id).elements.length; i++) {
		//deshabilita el boton de submit
		if (document.getElementById(Id).elements[i].type == 'submit') {
			document.getElementById(Id).elements[i].style.visibility="hidden";
			$(document.getElementById(Id).elements[i].parentNode).html("<img src='/Admin_Inc/Imagenes/load_negro_trans24x24.gif' alt='...' />");
		}
		if (document.getElementById(Id).elements[i].type == 'button') {
			document.getElementById(Id).elements[i].style.visibility="hidden";
			$(document.getElementById(Id).elements[i].parentNode).html("<img src='/Admin_Inc/Imagenes/load_negro_trans24x24.gif' alt='...' />");
		}
	}
	//envia el formulario
	document.getElementById(Id).submit();
	//reasinga la funcion de envio a una funcion dummy
	Submit_seguro = Submit_off;
	return false;
}
/* Esta funcion no hace nada Sirve para evitar el reenvio del formulario */
function Submit_off(Id) {
    return false;
}