function obj(id){
    return document.getElementById(id);
}
function clearSelect(){

}
function errorExpetion(exetion){
            var msj="";
            for(i in exetion){
                msj += i+"=>"+exetion[i]+"\n";
            }
            return msj;
        }
function displayn(idElement,hide){//oculta o muestra un elemento modificiando su sytle.display a none o ''
    if(hide!=undefined){
        obj(idElement).style.display=(hide)?'':'none';
    }else{
        obj(idElement).style.display=(obj(idElement).style.display=='none')?'':'none';
    }
}
function initDatesSelects(idD,idM,idY,startY,limitY){
    var selD=obj(idD);
    var selM=obj(idM);
    var selY=obj(idY);
    clearSelect(selD);
    selD.options[0]=new Option();
    clearSelect(selM);
    selM.options[0]=new Option();
    clearSelect(selY);
    selY.options[0]=new Option();
    for(i=1;i<31;i++)
        selD.options[selD.options.length]=new Option(((i<10)?'0'+i:i),((i<10)?'0'+i:i));
    for(i=1;i<=12;i++)
        selM.options[selM.options.length]=new Option(lan_arrMonth[i-1],((i<10)?'0'+i:i));
    for(i=limitY;i>=startY;i--)
        selY.options[selY.options.length]=new Option(i,i);
}

function confirmEliminar(){
    if(confirm("Estas Seguro de Elmintar Esta Platilla")){
        return true;
    } else {
        return false;
    }
}