
function frmLogin(e){
    e.preventDefault()
    const nick=document.getElementById("nick")
    const clave=document.getElementById("clave")
    if(nick.value==""){
        clave.classList.remove("is-invalid")
        nick.classList.add("is-invalid")
    }else if(clave.value==""){
        nick.classList.remove("is-invalid")
        clave.classList.add("is-invalid")
    }else{
        const url=base_url+"Usuarios/validar"
        const frm= document.getElementById("frmLogin")
        const http=new XMLHttpRequest()
        http.open("POST",url,true);
        http.send(new FormData(frm))
        http.onreadystatechange=function(){
            if(this.readyState==4 && this.status==200){
                const res=JSON.parse(this.responseText)
                if(res=="ok"){
                    window.location=base_url+"Usuarios";

                }else{
                    document.getElementById("alerta").classList.remove("d-none")
                    document.getElementById("alerta").innerHTML=res
                    
                }
            }
        }
    }
}

