<!--FUNCION PARA PREGUNTAR SI BORRA REGISTRO
function delet(borra)
{
if(!confirm ("¿Desea BORRAR este registro?"))
return false;
}

 <!--FUNCION PARA CAMBIAR DE SECCION
 function cambia(clase){
      window.location.href = clase.options[clase.selectedIndex].value;
    }

<!--
           function openWin(url,name,opts) {
             window.open(url, name, opts);
	   }
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+', escriba alguna palabra clave para hacer la busqueda.\n'; }
  } if (errors) alert('¡Error de validación!\n\n'+errors);
  document.MM_returnValue = (errors == '');
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function refocus(){
if (document.form1!=null && document.form1.clave!=null) {
document.form1.clave.focus();
}}
// -->
var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}


function MM_findObj(n, d) { //v4.0

  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 && document.getElementById) x=document.getElementById(n); return x;

}


function MM_validateForm() { //v4.0

  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;

  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);

    if (val) { nm=val.name; if ((val=val.value)!="") {

      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');

        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';

      } else if (test!='R') {

        if (isNaN(val)) errors+='- '+nm+', es campo requerido.\n';

        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');

          min=test.substring(8,p); max=test.substring(p+1);

          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';

    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' es campo requerido.\n'; }

  } if (errors) alert('¡Error de validación!\n\n'+errors);

  document.MM_returnValue = (errors == '');

}


function refocus(){

if (document.form1!=null && document.form1.usuario!=null) {

document.form1.usuario.focus();

}}