var run=1;  
function check_kb_edit() {
  var ok=1;
  var rc='1px solid #ff0000',orc='1px solid #ced0a2',lc='2px solid #ff0000',olc='1px solid #ced0a2';
  var rb='#FFCCCC',orb='#ffffff';
  
  
  if(run) {   
   if (parent.frames['main'].document.getElementById('kb_form') === null) {
       clearInterval(top.kbInt);return;
   } else {
   var frm=parent.frames['main'].document.forms['kb_form'];
  
  var subject=parent.frames['main'].document.getElementById('kb_title');
  var keywords=parent.frames['main'].document.getElementById('kb_keywords');
  var message=parent.frames['main'].document.getElementById('kb_text'); 
  var msgRE2=/[^a-zA-Z0-9_.,()\-\!\?\n\r\'\`=\:@$%\&\*\+;"\/\\ ]/;

  if(msgRE2.test(message.value)){message.style.backgroundColor=rb2;ok=0;} else {message.style.backgroundColor=orb;} 
  if(message.value==""){message.style.borderLeft=lc;ok=0;} else {message.style.borderLeft=olc;}              

  if(subject.value==""){subject.style.borderLeft=lc;ok=0;} else {subject.style.borderLeft=olc;}              
  if(keywords.value==""){keywords.style.borderLeft=lc;ok=0;} else {keywords.style.borderLeft=olc;}               
  
    if(ok==1) parent.frames['main'].document.getElementById('sbut').disabled=false;else parent.frames['main'].document.getElementById('sbut').disabled=true; 
  }
}
}