var oXMLHTTP;

function AJAX_ConectorChange()
{
	if (oXMLHTTP.xmlhttp.readyState==4)
	{
		if (oXMLHTTP.xmlhttp.status==200)
		{
			oXMLHTTP.Source.resultado = oXMLHTTP.xmlhttp.responseText;
			oXMLHTTP.Source.Text = oXMLHTTP.xmlhttp.responseText;
			oXMLHTTP.Source.Xml = oXMLHTTP.xmlhttp.responseXML;
		}
		else
			oXMLHTTP.Source.resultado = -1;
	}
}
	
function AJAX_Conector(urlCmd)
{
	this.urlCmd = urlCmd;
	this.resultado = null;
	this.Xml = null;
	this.Text = null;
	this.Params = null;
	this.Post = true;

	this.Request = function()
	{
		try
		{
			if (window.ActiveXObject)
			{
				oXMLHTTP=new Object();
				oXMLHTTP.Source=this;
				
				try { oXMLHTTP.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");}//Msxml2.XMLHTTP");}//Msxml2.XMLHTTP.5.0"); }
				catch(ex) {oXMLHTTP.xmlhttp = false}
				
				var ids = ["Msxml2.XMLHTTP","Microsoft.XMLHTTP"];
				for(var i=0; !oXMLHTTP.xmlhttp && i<ids.length; i++) 
				{
					try { oXMLHTTP.xmlhttp = new ActiveXObject(ids[i]); }
				    catch(ex) {oXMLHTTP.xmlhttp = false }
				}
				//oXMLHTTP.xmlhttp = new ActiveXObject("MSXML2.XMLHTTP");
							
				oXMLHTTP.xmlhttp.onreadystatechange = AJAX_ConectorChange;
				oXMLHTTP.xmlhttp.open("POST",urlCmd,false);
				
				if (this.Post)
					oXMLHTTP.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				
				if (this.Params)
					oXMLHTTP.xmlhttp.send(this.Params);
				else
					oXMLHTTP.xmlhttp.send();
			}
		
			delete oXMLHTTP;
		
			return this;
		
		}
		catch (e)
		{
			alert ("Error: " + e.message);
		}
	
	}
	
	this.Requery = function()
	{
		this.Request();
	}
		
	this.Ejecutar = function()
	{
		try
		{
			if (window.ActiveXObject)
			{
				oXMLHTTP=new Object();
				oXMLHTTP.Source=this;
				
				try
				{
				try { oXMLHTTP.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");}//Msxml2.XMLHTTP");}//Msxml2.XMLHTTP.5.0"); }
				catch(ex) {oXMLHTTP.xmlhttp = false}
				
				var ids = ["Msxml2.XMLHTTP","Microsoft.XMLHTTP"];
				for(var i=0; !oXMLHTTP.xmlhttp && i<ids.length; i++) 
				{
					try { oXMLHTTP.xmlhttp = new ActiveXObject(ids[i]); }
				    catch(ex) {oXMLHTTP.xmlhttp = false }
				}
				//oXMLHTTP.xmlhttp = new ActiveXObject("MSXML2.XMLHTTP");
				}
				catch(e){}
				
				 if (!oXMLHTTP.xmlhttp && typeof XMLHttpRequest!='undefined') 
				    oXMLHTTP.xmlhttp = new XMLHttpRequest();

				oXMLHTTP.xmlhttp.onreadystatechange = AJAX_ConectorChange;
				oXMLHTTP.xmlhttp.open("POST",urlCmd,false);
				
				if (this.Ejecutar.arguments.length > 0)
				{
					oXMLHTTP.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
					oXMLHTTP.xmlhttp.send(this.Ejecutar.arguments[0]);
				}
				else
					oXMLHTTP.xmlhttp.send();
			}
		    else
		    {
                oXMLHTTP=new Object();
				oXMLHTTP.Source=this;

                if (!oXMLHTTP.xmlhttp && typeof XMLHttpRequest!='undefined') 
				    oXMLHTTP.xmlhttp = new XMLHttpRequest();

				oXMLHTTP.xmlhttp.onreadystatechange = AJAX_ConectorChange;
				oXMLHTTP.xmlhttp.open("POST",urlCmd,false);
				
				if (this.Ejecutar.arguments.length > 0)
				{
					oXMLHTTP.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
					oXMLHTTP.xmlhttp.send(this.Ejecutar.arguments[0]);
				}
				else
					oXMLHTTP.xmlhttp.send('');
            }
			delete oXMLHTTP;
		
			return this.resultado;
		}
		catch (e)
		{
			alert ("Error: " + e.message);
		}
	}
}

function Comprar(id)
{
    try
    {
        var txt = document.getElementById("txtprod"+id);
        
        if (validarNumero(txt.value))
        {
            var cantidad = parseInt(txt.value);
            var urlCmd = '/ProductoDetalle.aspx?anyadirprod=' + id + '&cantidad=' + cantidad;
		    var Conector = new AJAX_Conector(urlCmd);
		    var lista = Conector.Ejecutar();
		    alert('Articulo incluido');
		}
		else
		    alert('Introduzca un numero valido');
    }
    catch(e)
    {
        alert(e.message);
    }
}

function ModificarArticulo(id)
{
    try
    {
        var txt = document.getElementById("txtprod"+id);
        
        if (validarNumero(txt.value))
        {
            var cantidad = parseInt(txt.value);
            var urlCmd = '/ProductoDetalle.aspx?modificarprod=' + id + '&cantidad=' + cantidad;
		    var Conector = new AJAX_Conector(urlCmd);
		    var lista = Conector.Ejecutar();
		    alert('Cantidad modificada');
		}
		else
		    alert('Introduzca un numero valido');
    }
    catch(e)
    {
        alert(e.message);
    }
}

function EliminarArticulo(id)
{
    try
    {
        var tr = document.getElementById("tr"+id);
        tr.style.display = 'none';
        
        var urlCmd = '/ProductoDetalle.aspx?eliminarprod=' + id;
		var Conector = new AJAX_Conector(urlCmd);
		var lista = Conector.Ejecutar();
		alert('Producto eliminado');
    }
    catch(e)
    {
        alert(e.message);
    }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function validarNumero(c_numero)
{
   if (c_numero.length == 0)
       return false;
   else
   {
       for (i = 0; i < c_numero.length; i++)
       {
          if (!((c_numero.charAt(i) >= "0") && (c_numero.charAt(i) <= "9")))
          return false;
       }
       return true;
   }
} 

function playIt(filename) 
{
    try
    {
        document.getElementById('Player').URL = filename; 
        //document.getElementById('Player').controls.stop();
    }
    catch(e) 
    {
        alert(e.message);
    }
}

function StopAll()
{
    document.getElementById('Player').controls.stop();
}