if (document.layers)  {
     ns = 1; ie = 0;
} else {
     ns = 0; ie = 1;
     }

var i = 1;

var test = "but";

 function zeigeEbeneNr(ebene_nr){
    verbergen(eval( '"' + test + i +'"'));

    zeigen(eval('"' + test + ebene_nr +'"'));

    i = ebene_nr;
    }

function zeigen(name) {
if (ns) {
    document.layers[''+name].visibility = "show";
    }
    else {
    document.all[''+name].style.visibility = "visible"
    }
}

function verbergen(name) {
if (ns){
    document.layers[''+name].visibility = "hide"
    }
    else {
    document.all[''+name].style.visibility = "hidden"
    }
}


//-->

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_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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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;
}



        var clockID = 0;
        function UpdateClock() {
           if(clockID) {
              clearTimeout(clockID);
              clockID  = 0;}
           var tDate = new Date();
           var formateada="";
           if (tDate.getDate()<10) formateada=formateada+"0";
           formateada=formateada+tDate.getDate();
           formateada=formateada+"/"+(tDate.getMonth()+1);
           formateada=formateada+"/"+tDate.getFullYear()+"  ";
           if (tDate.getHours()<10) formateada=formateada+"0";
           formateada=formateada+tDate.getHours()+":";
           if (tDate.getMinutes()<10) formateada=formateada+"0";
           formateada=formateada+tDate.getMinutes()+":";
           if (tDate.getSeconds()<10) formateada=formateada+"0";
           formateada=formateada+tDate.getSeconds();
		   var reloj = document.getElementById("reloj");           
		   if (reloj!=null) reloj.innerHTML=formateada;


           clockID = setTimeout("UpdateClock()", 1000);
        }

        //function StartClock() {
           clockID = setTimeout("UpdateClock()", 2000);
        //}

        function KillClock() {
           if(clockID) {
              clearTimeout(clockID);
              clockID  = 0;
           }
        }

		function mostrar(id){
			var e =document.getElementById(id);
			if (e!=null) e.style.display = 'block';
		}
		function ocultar(id){
			var e =document.getElementById(id);
			if (e!=null) e.style.display = 'none';
				
		}
		function visualizaImg(idContainer,idImg,imagen) {
			document.getElementById(idImg).src=imagen; 
  			mostrar(idContainer);			
  		}
		function loadText(id,texto){
			document.getElementById(id).innerHTML=texto
		}
		function loadImage(id,img){
			document.getElementById(id).src=img
		}
		
		function swapEnabled(name) {
			obj=findObject(name);
			obj.disabled=!obj.disabled;
		}
		
		function setEnabled(name) {
			obj=findObject(name);
			obj.disabled=false;
		}
		
		function setDisabled(name) {
			obj=findObject(name);
			obj.disabled=true;
		}
		
		function getEnabled(name) {
			obj=findObject(name);
			return !obj.disabled;
		}
		
		
		function findObject(name) {
			return document.getElementById(name);
		}
		function vaciarCampo(obj, obj_type) {
			  if (obj_type.toUpperCase() == "TEXT" || obj_type.toUpperCase() == "PASSWORD") {
				  obj.value="";
			  } else if (obj_type.toUpperCase() == "SELECT-ONE") {
				  var i;
				  obj.selectedIndex='None';
				  for (i=1; i < obj.length; i++) {
					  obj.options[i].selected=false;
				  }
			  } else if (obj_type.toUpperCase() == "RADIO" ||
						 obj_type.toUpperCase() == "CHECKBOX") {
					  var i;
					  for (i=0; i < obj.length; i++) {
						  obj[i].checked=false;
					  }
			  }
		}
		function popup(pag_imprimir)
		{
				popup(pag_imprimir,640,520);
		}
		
		function popup(pag_imprimir,ancho,alto)
		{
				window.open(pag_imprimir,'Impresion','toolbar=yes,location=no,directories=no,status=no, menubar=no,scrollbars=yes,resizable=no,width=' + ancho + ',height=' + alto);
		}
		
		function popupvacio(url)
		{
			   popupvacio(url,300,340);
		}
		
		function popupvacio(url,ancho,alto)
		{
				window.open(url,"valida","width="+ancho+", height="+alto+",toolbar=no,location=no, status=no, menubar=no, scrollbars=no,resizable=no");
		}
		//Comprueba si una direccion de correo es valida
		function compr_cc(cc){
				var posarroba,pospunto
		  if (cc=="" || cc.indexOf("@")==(-1)) return(false);
		  posarroba=cc.indexOf("@");
		  pospunto=cc.indexOf(".");
		  if ((posarroba==(pospunto-1)) ||(pospunto==-1)) return(false);
		  if (pospunto!=-1 && pospunto==cc.length-1) return(false);
		  return(true);
		}