function objetoAjax()
{ 
	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; 
}

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];}
}

var message="";
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false")

var nav4 = window.Event ? true : false; 
function acceptNum(evt) { 
var key = nav4 ? evt.which : evt.keyCode; return (key <= 13 || (key >= 48 && key <= 57)); }

function ValidarPrecio()
        {        if (((window.event.keyCode!= 46 && window.event.keyCode<48) || window.event.keyCode>57))
                {
                        alert("No se permite letras")
                        window.event.keyCode=0
                }
        }

function MM_openBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
  if(window.screen)if(isCenter)if(isCenter=="true"){
    var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
  }
window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}

function mostrarjuridico() {
  document.getElementById('ver_ver').style.display='none';
  document.getElementById('ver_nover').style.display='block';
  document.form1.can2.focus();
  document.form1.can2.value='';
}
function mostrarnatural() {
  document.getElementById('ver_ver').style.display='block';
  document.getElementById('ver_nover').style.display='none';
  document.form1.can.focus();
  document.form1.can.value='';
}

function mostrar2() {
  document.getElementById('ver_ver').style.display='none';
  document.getElementById('ver_nover').style.display='block';
}
function mostrar1() {
  document.getElementById('ver_ver').style.display='block';
  document.getElementById('ver_nover').style.display='none';
}

function setfocus(){
	document.getElementById('T1').focus();
}

function PMA_markRowsInit() {
    // for every table row ...
    var rows = document.getElementsByTagName('tr');
    for ( var i = 0; i < rows.length; i++ ) {
        // ... with the class 'odd' or 'even' ...
        if ( 'fila_1' != rows[i].className.substr(0,3) && 'fila_2' != rows[i].className.substr(0,4) ) {
            continue;
        }
        // ... add event listeners ...
        // ... to highlight the row on mouseover ...
        if ( navigator.appName == 'Microsoft Internet Explorer' ) {
            // but only for IE, other browsers are handled by :hover in css
            rows[i].onmouseover = function() {
                this.className += ' hover';
            }
            rows[i].onmouseout = function() {
                this.className = this.className.replace( ' hover', '' );
            }
        }
        // Do not set click events if not wanted
        if (rows[i].className.search(/noclick/) != -1) {
            continue;
        }
        // ... and to mark the row on click ...
        rows[i].onmousedown = function() {
            var unique_id;
            var checkbox;

            checkbox = this.getElementsByTagName( 'input' )[0];
            if ( checkbox && checkbox.type == 'checkbox' ) {
                unique_id = checkbox.name + checkbox.value;
            } else if ( this.id.length > 0 ) {
                unique_id = this.id;
            } else {
                return;
            }

            if ( typeof(marked_row[unique_id]) == 'undefined' || !marked_row[unique_id] ) {
                marked_row[unique_id] = true;
            } else {
                marked_row[unique_id] = false;
            }

            if ( marked_row[unique_id] ) {
                this.className += ' marked';
            } else {
                this.className = this.className.replace(' marked', '');
            }

            if ( checkbox && checkbox.disabled == false ) {
                checkbox.checked = marked_row[unique_id];
            }
        }

        // ... and disable label ...
        var labeltag = rows[i].getElementsByTagName('label')[0];
        if ( labeltag ) {
            labeltag.onclick = function() {
                return false;
            }
        }
        // .. and checkbox clicks
        var checkbox = rows[i].getElementsByTagName('input')[0];
        if ( checkbox ) {
            checkbox.onclick = function() {
                // opera does not recognize return false;
                this.checked = ! this.checked;
            }
        }
    }
}
window.onload=PMA_markRowsInit;


function DetectaBloqueoPops()
{
  var popup
  try
  {
    //Se crea una nueva ventana para probar si esta o no activo
    // el bloqueador de ventanas emergentes.
    //Si esta activo, se lanza el error, de lo contrario sólo se cierra la ventana creada
    if(!(popup = window.open('about:blank','_blank','width=1,height=1')))
      throw "ErrPop"
    popup.close()
  }
  catch(err)
  {
    //Se captura el error, si fue por motivo de bloqueo, se muestra el mensaje de advertencia
    //Si no fue por bloque, entonces se muestra la descripción del error ocurrido.
    if(err=="ErrPop")
      msj = "A T E N C I O N!\nEl bloqueo de ventanas emergentes esta activo\nNo continue antes de habilitar esta opcion en su navegador!\n"
    else
    {
      msj="Hubo un erro en la página.\n\n"
      msj+="Descripción del error: " + err.description + "\n\n"
     }
  alert(msj)
  }
}