<!--
function ChangeCss(id,cssName)
{
    var switch_id = document.getElementById(id);
    switch_id.className = cssName;
}
function echeck(str) {

		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		   return false;
		 }

 		 return true;				
	}

function checkform (form)
{
  if (form.title.value.replace(" ", "") == "")
  {
    alert( "Va rugam sa introduceti titlul prezentarii. :)" );
    form.title.focus();
    return false ;
  }
  if (form.description.value.replace(" ", "") == "")
  {
    alert( "Va rugam sa introduceti descrierea prezentarii. :)" );
    form.description.focus();
    return false ;
  }
  if (form.filename.value == "")
  {
    alert( "Va rugam sa introduceti fisierul pps pe care doriti sa-l trimiteti. :)" );
    form.filename.focus();
    return false ;
  }
  if (form.author.value.replace(" ", "") == "")
  {
    alert( "Va rugam sa va introduceti numele. :)" );
    form.author.focus();
    return false ;
  }
 
	if ((form.email.value==null)||(form.email.value==""))
	{
		alert("Va rugam sa introduceti o adresa valida de e-mail. :)");
		form.email.focus();
		return false;
	}
	if (echeck(form.email.value)==false)
	{
		alert("Va rugam sa introduceti o adresa valida de e-mail. :)");
		form.email.focus();
		return false;
	}  

  if (form.suma1.value != form.suma2.value)
	{
		alert("Va rugam sa mai calculati o data... :p");
		form.suma1.focus();
		return false;
	}  
  ChangeCss('uploaddiv2','show');
  ChangeCss('uploaddiv1','hide');
  return true ;
}


function check_addcommentform (form)
{
  if (form.message.value.replace(" ", "") == "")
  {
    alert( "Ai uitat sa scrii comentariul! :)" );
    form.message.focus();
    return false ;
  }
  if (form.name.value.replace(" ", "") == "")
  {
    alert( "Va rugam sa va introduceti numele. :)" );
    form.name.focus();
    return false ;
  }
 
	if ((form.email.value==null)||(form.email.value==""))
	{
		alert("Va rugam sa introduceti o adresa valida de e-mail. :)");
		form.email.focus();
		return false;
	}
	if (echeck(form.email.value)==false)
	{
		alert("Va rugam sa introduceti o adresa valida de e-mail. :)");
		form.email.focus();
		return false;
	}  

  if (form.suma1.value != form.suma2.value)
	{
		alert("Doar n-ai uitat sa socotesti! :D Mai calculeaza o data... :p");
		form.suma1.focus();
		return false;
	}  
  return true ;
}
//-->