function ro_displayDocuments()
{
     var url = 'modules.php?mod=videoRO';
     displayText('maincontent',url);
}

function ro_displayUsersPage(page)
{
     var form=document.getElementById('videoro_search');

     if (isEmpty(form.searchfield))
          {
          displayText('maincontent','modules.php?mod=videoRO&req=displayall&pageno=' +page);
          }
     else
    	  { displayText('maincontent','modules.php?mod=videoRO&req=search&pageno=' +page+'&searchfield='+encodeURIComponent(form.searchfield.value)); 
	  }     var url = 'modules.php?mod=videoRO&pageno=' +page;
     displayText('maincontent',url);
}

function ro_validateDocumentForm(form)
{
     var error_message = "The following errors occurred:\n";
     var errors=0;
     if (isEmpty(form.title))
          {
          error_message = error_message + "\t\ntitle is missing";
          errors=1;
          }
     if (isEmpty(form.synopsis))
          {
          error_message = error_message + "\t\nsynopsis is missing";
          errors=1;
          }
     if (isEmpty(form.description))
          {
          error_message = error_message + "\t\ndescription is missing";
          errors=1;
          }
     if (isEmpty(form.month))
          {
          error_message = error_message + "\t\nmonth is missing";
          errors=1;
          }
     if (isEmpty(form.year))
          {
          error_message = error_message + "\t\nyear is missing";
          errors=1;
          }

/*
     if (docname != '0' && docname =='')
          {
          error_message = error_message + "\t\nYou must upload a document";
          errors=1;
          }
*/
     if (errors==0)
          return true;
     alert(error_message);
     return false; 
}

function ro_displayedition(videoid)
{
     //in use
     var url='modules.php?mod=videoRO&req=oneedition&videoid='+videoid;
     ret=displayText('maincontent',url);

   return false;
}


function ro_searcheditions()
{
     var form=document.getElementById('videoro_search');

     if (isEmpty(form.searchfield))
          {
          displayText('maincontent','modules.php?mod=videoRO&req=displayall');
          }
     else
    	  { 
	   displayText('maincontent','modules.php?mod=videoRO&req=search&searchfield='+encodeURIComponent(form.searchfield.value)); 
	  }   
     return false;

}