//saco blancos al principio y al final
function trim(cadena) {
   cadena = cadena.replace(/^\s+/, '');
   cadena = cadena.replace(/\s+$/, '');
	return cadena;
}

//---------------------------------------------------------------------//
function validarLogin(){
	var oUsr = document.getElementById("usuario");
	var oPsw = document.getElementById("contrasenia");
	var oMsjLogin = document.getElementById("msjIngresar");
	
	if(trim(oUsr.value) == "" || trim(oPsw.value) == "" || trim(oUsr.value) == "usuario" || trim(oPsw.value) == "contraseña"){
		oMsjLogin.style.display = "block";
		oMsjLogin.innerHTML = "Por favor, ingrese su usuario y contraseña.";
		
		return false;
	}else{/*
		if(document.getElementById("recordar_usr").checked == true)	
			setNamedCookie( "ACCOUNT_USER_PUNTOBIZ", oUsr.value+"|"+oPsw.value );//guarda en la cookie usr y pass
		else
			deleteCookie("ACCOUNT_USER_PUNTOBIZ");//elimina la cookie para recordar usr y pass
           */
		return true;
	}
}

function ocultarError()
{
	var oMsjLogin = document.getElementById("msjIngresar");
	oMsjLogin.style.display='none';
}

function ocultarErrorHome()
{
	var oMsjLogin = document.getElementById("msjBuscar");
	oMsjLogin.style.display='none';
}

function validarBuscarHome()
{
	var error = document.getElementById("msjBuscar");
	var oCriterioHome = document.getElementById("busqueda");
	var oCad = "";
	var bool = true;
	
	if(trim(oCriterioHome.value) == ""){
		oCad = "Ingrese alguna palabra.";
		bool = false;
	}
	else{
		if(trim(oCriterioHome.value).length < 3){
			oCad = "M&iacute;nimo de 3 caracteres.";
			
			bool = false;
		}
	}
	
	if(bool){
		return true;
	}
	else{
		error.style.display = "block";
		error.innerHTML = oCad;
		return false;
	}
	
}

function wordWrap(){
/******
* wordWrap to firefox for big words
* Creative Commons license * Version: 1.0 - 26/04/2006
* Autor: Micox - Náiron J.C.G - micoxjcg@yahoo.com.br - http://elmicoxcodes.blogspot.com
* Uso: call the function on onload of body element.
* put the class "word-wrap" on elements to wordwrap
*******/
    var larg_total,larg_carac,quant_quebra,pos_quebra;
    var elementos,quem, caracs, texto, display_orig;
    
    elementos = document.getElementsByTagName("p")
    
    for(var i=0; i<elementos.length;i++){
        if(elementos[i].className=="word-wrap"){
            quem = elementos[i];
            
            quem.innerHTML = String(quem.innerHTML).replace(/ /g,"Ø")
            texto = String(quem.innerHTML)
            
            quem.innerHTML = " "
            
            display_orig = quem.style.display;
            quem.style.display="block";
            larg_oficial = quem.offsetWidth;
            //alert("oficial: " + larg_oficial)
            //alert("display " + quem.style.display)
            if(!document.all) quem.style.display="table";
            //alert("display " + quem.style.display)
            quem.innerHTML = texto;
            larg_total = quem.offsetWidth;
            //alert("total: " + larg_total)
            
            pos_quebra = 0;
            caracs = texto.length;
            texto = texto.replace(/Ø/g," ")
            larg_carac = larg_total / caracs
            if(larg_total>larg_oficial){
                quant_quebra = parseInt(larg_oficial/larg_carac)
                quant_quebra = quant_quebra - (parseInt(quant_quebra/6)) //quanto menor o num, maior a garantia;
                quem.innerHTML = ""
                while(pos_quebra<=caracs){
                    quem.innerHTML = quem.innerHTML + texto.substring(pos_quebra,pos_quebra + quant_quebra) + " "
                    pos_quebra = pos_quebra + quant_quebra;
                }
            }else{
                quem.innerHTML = texto;
            }//end if do larg_total>larg_oficial
            quem.style.display = display_orig;
        }//end if do word wrap
    }//end for loop dos elementos
}


function marcar(id)
{ 
	var padre = document.getElementById('p_'+id);
	var hijo = document.getElementById('not_'+id);
	if(sec_hijo != 0 ) document.getElementById(sec_hijo).style.display = "none";
	if( sec_padre!=0) document.getElementById(sec_padre).className = "menu_over";                                                               
	hijo.style.display = "block";
	padre.className = "menu_seleccionado";
	sec_hijo = 'not_'+id;
	sec_padre = 'p_'+id;
}

function limpiar()
{ 
	
	if(sec_hijo != 0) document.getElementById(sec_hijo).style.display = "none";
	if( sec_padre!=0) document.getElementById(sec_padre).className = "menu_over";
	document.getElementById('home').className = "menu_seleccionado";
	sec_padre = 'home';
}