var http = crearAjax();

function crearAjax(){
    var xmlhttp=false;
     try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    }catch (e){
        try {
               xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
          }catch (E){
               xmlhttp = false;
          }
     }

    if (!xmlhttp && typeof XMLHttpRequest!='undefined'){
          xmlhttp = new XMLHttpRequest();
    }
    return xmlhttp;
}

/* ******************************************************************************************************** */
/* ****************************************** ADMIN ******************************************************* */
/* ******************************************************************************************************** */
function crearnoticia(){
    if(document.formulario.txtTitular.value == ""){
        alert("El titular es obligatorio");
        document.formulario.txtTitular.focus();
    }
    else{
        if(document.formulario.txtFecha.value == ""){
            alert("La fecha es obligatoria");
            document.formulario.txtFecha.focus();
        }
        else{
            formulario.submit();
        }
    }
}

function cambiarnoticia(){
    if(document.formulario.txtTitular.value == ""){
        alert("El titular es obligatorio");
        document.formulario.txtTitular.focus();
    }
    else{ 
        if(document.formulario.txtFecha.value == ""){
            alert("La fecha es obligatoria");
            document.formulario.txtFecha.focus();
        }
        else{
            formulario.submit();
        } 
    }
}

function cambiargaleria(nuevo){

            if(document.formulario.txtDescripcion.value == ""){
                alert("La descripción de la imagen es obligatoria");
                document.formulario.txtDescripcion.focus();
            }
            else{
                //si se trata de una intro de producto
                if(nuevo==1){
                    
                    if(document.formulario.txtImagen.value == ""){
                        alert("La imagen es obligatoria");
                        document.formulario.txtImagen.focus();
                    }else{
                        formulario.submit();
                    }
                // si es una modificacion
                }else{
                    formulario.submit();
                }
                
            }

}

PositionX = 100;
PositionY = 100;
defaultWidth  = 500;
defaultHeight = 500;
var AutoClose = true;
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;

function AbreImagen(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Cargando ...</title><style>body{margin:0px;}</style>');
writeln('<sc'+'ript>');
writeln('var isNN,isIE;');
writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');
writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');
writeln('if (isIE){');
writeln('window.resizeTo(100,100);');
writeln('width=10-(document.documentElement.clientWidth-document.images[0].width);');
writeln('height=100-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');
writeln('if (isNN){');       
writeln('window.innerWidth=document.images["imagenes"].width;');
writeln('window.innerHeight=document.images["imagenes"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');
writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor=ffffff scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
writeln('<img name="imagenes" src='+imageURL+' style="display:block"></body></html>');
close();    
}}
/* ******************************************************************************************************** */
/* ****************************************** FIN ADMIN *************************************************** */
/* ******************************************************************************************************** */