function openwindow( windowURL, windowName, windowFeatures ){
	newWin = window.open( windowURL, windowName, windowFeatures );
	newWin.focus();
  return;
}

function startclock()
{
	var thetime=new Date();
	
	var nhours=thetime.getHours();
	var nmins=thetime.getMinutes();
	var nsecn=thetime.getSeconds();
	var nday = thetime.getDate();
	var nmonth = (thetime.getMonth())+1;
	var nyear = thetime.getYear();
	
	var AorP=" ";
	
	if (nhours>=12)
	    AorP="P.M.";
	else
	    AorP="A.M.";
	
	if (nhours>=13)
	    nhours-=12;
	
	if (nhours==0)
	 nhours=12;
	
	if (nsecn<10)
	 nsecn="0"+nsecn;
	
	if (nmins<10)
	 nmins="0"+nmins;
	 
	if (nmonth<10)
	 nmonth="0"+nmonth;
	
	var obj = document.getElementById('clockspot');
	obj.innerHTML = nhours+":"+nmins+":"+nsecn+" "+AorP+" "+nday+"/"+nmonth+"/"+nyear; 
	
	setTimeout('startclock()',1000);

} 

function makeSubmit() {
	document.formRegistro.submit();
	return null;
}

function loadSubFamilias(combo, nombreSubFamilia, idFamilia, idSubFamilia) {        
			
	if(idFamilia > -1) { 
		var listaSubFamiliasSel = listaSubFamilias[idFamilia];		
		var listaSubFamiliasIdSel = listaSubFamiliasId[idFamilia];		
	} else {
		var listaSubFamiliasSel = false;
	}
	
	var isNS = (navigator.appName == 'Netscape');
	
	var formulario = combo.form;
	eval('var comboSubFamilias = formulario.'+nombreSubFamilia+';');
	
	clear(comboSubFamilias);	
	
	if (listaSubFamiliasSel) {
		var arraySubFamilias = listaSubFamiliasSel.split(",");
		var arraySubFamiliasId = listaSubFamiliasIdSel.split(",");
		var siguienteSel = false;
		for (var lSubFamilias=0;lSubFamilias<arraySubFamilias.length;lSubFamilias++) {
		
		
			optSubFamilia = new Option(arraySubFamilias[lSubFamilias], arraySubFamiliasId[lSubFamilias]);

			if ((siguienteSel) && (!isNS))
				optSubFamilia.selected=true;
							
			siguienteSel = false
			if (arraySubFamiliasId[lSubFamilias]==idSubFamilia) {
				if (isNS) {
					optSubFamilia.selected=true;
				} else {
					siguienteSel = true
				}
			}				    	
			comboSubFamilias.options[comboSubFamilias.length] = optSubFamilia;
		}
		if ((siguienteSel) && (!isNS)) {
			comboSubFamilias.options[comboSubFamilias.length-1].selected=true;	
		}	
		
		if(arraySubFamilias.ubound<=1) {
			optSubFamilia.options[1].selected = true;
		}
		comboSubFamilias.disabled=false;
	} else {
		comboSubFamilias.disabled=true;
	}	
}

function clear(combo){

  menor=1;
  if (todos) menor=0;
  
  
  for(var c=combo.length;c>=menor;c--){
        combo.options[c] = null;
    }
    
}