l_showdebug = 'n';
v_br = navigator.appName;
v_br_version = navigator.userAgent.toLowerCase();
var browserVer=parseInt(navigator.appVersion); 
br_NS      = v_br_version.indexOf('netscape') > -1;
br_NS7    = false;
br_OPERA  = v_br_version.indexOf('opera') > -1;
br_IE7 = false;
br_IE6 = false;
br_IE5 = false;
br_MOZZ = false;
br_SAFARI = false;
br_FIREFOX = false;
br_NOTVALID = false;

if(br_NS){
   version = v_br_version.charAt( (v_br_version.indexOf('netscape') + 1) + 'netscape'.length);   
   if(parseInt(version) >= 7 ) br_NS7 = true;
   else  br_NOTVALID=true;	
}
if ( (v_br_version.indexOf('msie') > -1) && !br_OPERA )
{
   version = v_br_version.charAt( (v_br_version.indexOf('msie') + 1) + 'msie'.length);
   if(parseInt(version) >= 7 ) br_IE7 = true;
   else if(parseInt(version) == 6 ) br_IE6 = true; 
   else if(parseInt(version) == 5 ) br_IE5 = true; 
else br_NOTVALID=true;	

}
if ((v_br_version.indexOf('mozilla') > -1) && (!br_IE7 && !br_IE6 && !br_OPERA && !br_IE5 && !br_NS7) )
{	
  if(browserVer <= 4)br_NOTVALID=true;	 
  else br_NOTVALID = false;
  br_MOZZ = true;
}
if ((v_br_version.indexOf('safari') > -1) && !br_IE7 && !br_IE6 && br_MOZZ)
{
  br_SAFARI = true;
  br_NOTVALID = false;
}
if ((v_br_version.indexOf('firefox') > -1) && !br_IE7 && !br_IE6 && br_MOZZ)
{
  br_FIREFOX = true;
  br_NOTVALID = false;
}