function pid(obj){
		x=document.getElementById(obj);
		return x;
	}

	function miPapi(){
		var x= pid("filtro_sec").value;
		x=x.split(",");
		frm=pid("frm_filtro");
		//pid("filter").value = pid("filtro_sec").value;
		//pid("filter_field").value="papi";
		if(x[0]>0){
			frm.action="gc_sf_var.php?a=pap&recid="+x[0] + "&page="+x[1];
		//alert(" -- > "+x[0]+"< --" );
		}else{
			frm.action="gc_sf_var.php?a=reset";
		}
		frm.submit();
	
	}
	
	function noUsar(){
		alert("Funcion no implementada");
		return false;
	}
//------------------------------------ validax campos form
	function validCmp(obj){
		
		//alert("validax campos formulariol: "+ pid("el_frm").value);
		f=pid("el_frm").value;
		welto=true;
		msj="";
		if(f==0 &&(pid("login").value=="" || pid("password").value=="")){
			msj="Debe completar todos los campos.\n";
		}else if (f==1){
			if(pid("re_mail").value=="" || !validEmail(pid("re_mail").value)){
				msj="Debe ingresar un e-mail válido.\n";
			}
		}else if (f==2){
		//neo_nm, neo_ap, neo_em, neo_ga, neo_fi, neo_us, neo_pw
			if(pid("neo_nm").value=="" || pid("neo_ap").value=="" || pid("neo_em").value=="" || pid("neo_ga").value=="" || pid("neo_fi").value=="" || pid("neo_us").value=="" || pid("neo_pw").value==""){
				msj="Debe completar todos los campos.\n";
			}else if (!validEmail(pid("neo_em").value)){
				msj="Debe ingresar un e-mail válido.\n";
			}else{
				msj = msj + validUsrnm(pid("neo_us").value);
				msj = msj + validPasswd(pid("neo_pw").value);
			}
		}else if (f==3 &&( pid("ap_tip_usr").value==0 )){
		//ap_tip_usr
			msj="Debe seleccionar campo de género.\n";
		}
		if(msj!=""){
			welto=false;
			alert (msj);
		}
		return welto;
	}
	
	function validEmail(eml){
		var ret=false;
		if (/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/.test(eml)){
			ret=true;
		}
		return ret;
	}
	
	function validUsrnm(usr) {
    var msj = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
		if ((usr.length < 5) || (usr.length > 15)) {
			msj = "Error nombre de usuario. Caracteres: 5 min., 15 max.\n";
		} else if (illegalChars.test(usr)) {
			msj = "Error nombre de usuario: Caracteres no permitidos.\n";
		} 
		return msj;
	}
	
	function validPasswd(pwd) {
    var msj = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
		if ((pwd.length < 5) || (pwd.length > 15)) {
			msj = "Error contraseña. Caracteres: 5 min., 15 max.\n";
		} else if (illegalChars.test(pwd)) {
			msj = "Error contraseña: Caracteres no permitidos.\n";
		} 
		return msj;
	}
	
	function valid_Busq(){		
		var flt =  pid("filter").value;
		var returnval = true;
		if ( (flt == "Buscar...") || (flt == "")){
			returnval = false;
		}
		return returnval;
	}
	
	function que_Buscay(){
		var flt =  pid("filter").value;
		if(flt==""){
			flt="Buscar...";
		}
		return flt;
	}
	
	function valid_frmPon(){
		//simp, tit_pon, rsum
		var welto=true;
		var msj="";
	
		if(pid("simp").value==0){
			msj="Debe seleccionar un simposio o una mesa.";
		}else if(pid("smp").value!=0){
			if (pid("tit_pon").value==""){
				msj="El campo título es requerido.";
			}else if(pid("rsum").value==""){
				msj="Debe escribir un resúmen de su ponencia.";
			}else{
				msj= valid_Tag();
			}
		}
		
		if(msj!=""){
			alert (msj);
			welto=false;
		}
		return welto;
	}
	
	function valid_Tag(){
		var tg = pid("tag").value;
		var msj="";
		tg = tg.replace(/\s/g, "");
		//tg = tg.replace(/;/g, ",");
		//tg = tg.replace(/-/g, ",");
		tg = tg.replace(/[\(\)-;.\/]/g, ",");
		tg = tg.replace(/,$/, "");
		if(tg !="" && tg.indexOf(",")>0){
			var ls_tg = tg.split(",");
			if(ls_tg.length>5){
				msj= ("Excede max. de 5 palabras claves.\n"+ ls_tg.length);
			}
		}else{
			msj= "Escriba más de una palabra clave y sepárelas\n mediante coma:\nUno,Dos,Tres,cuatro,cinco\n\nNo use espacios.";
		}
		pid("tag").value=tg;
		return msj;
	}
	//------------------------------------- carga mono menu
	function cargaMonosMenu(){
		if (document.images) {
			mono10       = new Image();
			mono10.src   = "img/b_usr0.png" ;
			mono11       = new Image();
			mono11.src   = "img/b_usr1.png" ;
			
			mono20       = new Image();
			mono20.src   = "img/b_pon0.png" ;
			mono21       = new Image();
			mono21.src   = "img/b_pon1.png" ;
			
			mono30       = new Image();
			mono30.src   = "img/b_smp0.png" ;
			mono31       = new Image();
			mono31.src   = "img/b_smp1.png" ;
			
			mono40       = new Image();
			mono40.src   = "img/b_chao0.png" ;
			mono41       = new Image();
			mono41.src   = "img/b_chao1.png" ;
		}

	}
	
	function prenDemelo(m,e){
		if (document.images) {
			document[ "mono"+m ].src = eval( "mono" + m + e + ".src" );
		}

	}
	
	//---------------- simposio o mesa o taller
	function smpOmesa(nom){
		
		if(pid(nom).name=="smp"){
		
			pid("simp").value=pid("smp").value;
			pid("mesa").value=0;
			pid("tall").value=0;
			
			pid("tit_pon").removeAttribute('disabled');
			
			pid("rsum").removeAttribute('disabled');
		
			pid("tag").removeAttribute('disabled');
			//pid("neoPDF").removeAttribute('disabled');		
			
			prenDeCmps(true);
			
		}else if (pid(nom).name=="mesa"){
		
			pid("simp").value=pid("mesa").value;
			pid("smp").value=0;
			pid("tall").value=0;
		
			pid("tit_pon").disabled="true";
			pid("rsum").disabled="true";
			pid("tag").disabled="true";
			//pid("neoPDF").disabled="true";
			
			prenDeCmps(false);
			
		}else{
		
			pid("simp").value=pid("tall").value;
			pid("smp").value=0;
			pid("mesa").value=0;
			
			pid("tit_pon").disabled="true";
			pid("rsum").disabled="true";
			pid("tag").disabled="true";
			//pid("neoPDF").disabled="true";
			
			prenDeCmps(false);
			
		}
		
		//alert ("hola menx3: "+ pid("simp").value);
		return true;
	}
	function prenDeCmps(x){
		var p="";
		if(!x){
			p="none"
		}
		
		for (i=0;i<5;i++){
				var el = pid("cmpSmp"+i);
				el.style.display = p;
			}
	}
	//----------------------------- leer mas
	function leerMas(txt,mno) {
		var el = document.getElementById(txt);
		var mn = document.getElementById(mno);
		if ( el.style.display != "none" ) {
			el.style.display = 'none';
			mn.src="img/leermas.gif";
		}
		else {
			el.style.display = '';
			mn.src="img/ocultar.gif";
		}
	}

	//----------------------------- contando palabras
	function maxPal(nom, max, alrt) {
		var npal=0;
		var pal = pid(nom).value;
		
		if(pal!=""){
			var lst_pal=pal.split(" ");
			npal= lst_pal.length;
			if(npal > max){
				pal="";
				for (i=0;i<max;i++){
					pal+= lst_pal[i]+" ";
				}
				
				npal=max;
				pal=trim(pal);
				pid(nom).value=pal;
				
				if (alrt){
					alert("Este campo excede el máximo de palabras permitidas.");
				}
			}
		}
		return npal;
	}
	
	function cuentaPal(nom,max,sal){
		var npal = maxPal(nom, max, true);
		pid(sal).firstChild.nodeValue = (npal>0)?("" + npal + " palabras"):(" ");
	}
	
	function trim (txt){
		return txt.replace(/^\s+/g,'').replace(/\s+$/g,'')
	}