function showError(msg){$('#messagePlaceholder').append('');}
function showInfo(msg){$('#messagePlaceholder').append('');}
function wsAjaxPost(nm,dt,ok,err){wsAjax(nm,dt,ok,err,"POST");}
function wsAjaxGet(nm,dt,ok,err){wsAjax(nm,dt,ok,err,"GET");}
function wsAjax(nm,dt,ok,err,tp){$.ajax({type:tp,url:'/ws/'+nm,data:dt,contentType:"application/json; charset=utf-8",dataType:"json",success:ok,error:err})}
function setUsrName(name,status){if(name){$('#LoggedName').html(name);$('#Login').hide();$('#Logged').show()}else{$('#Login').show();$('#Logged').hide()}}
function setErrorUsr(request,status,error){if(error!='undefined')showError(error);}
function changeVideo(uid){var y=document.getElementById('objVideoPlayer');y.cueVideoById(uid, 0);}
function openIFrameModal(url,w,h,name){return $('