var opera = (navigator.userAgent.indexOf('Opera') >= 0)? true : false;
	var ie = (document.all && !opera)? true : false;
	var dom = (document.getElementById && !ie && !opera)? true : false;
	var netsc = (navigator.userAgent.indexOf('Netscape') >= 0)? true : false;
	
	if( opera )
		document.writeln('<link rel="stylesheet" href="styles_opera.css" type="text/css">');
	else {
	  if( netsc )
	     document.writeln('<link rel="stylesheet" href="styles_netscape.css" type="text/css">');
	  else {
	    if( ie )
		  document.writeln('<link rel="stylesheet" href="styles.css" type="text/css">');
		else
		   document.writeln('<link rel="stylesheet" href="styles_mozilla.css" type="text/css">');  
	  }
	  	 
	}	 
	
	
	
	var selId = 0;	
	
function mover(mId){
 if( mId.parentNode.id != 'menu'+selId )
	mId.parentNode.style.background='url(/images/bg4.gif)';
}
function mout(mId){
   if( mId.parentNode.id != 'menu'+selId )
   {
     if( !mId.parentNode.id.indexOf('sub') )
	   mId.parentNode.style.background='#F7F7F7';
	 else
	  mId.parentNode.style.background='#ffffff';
   }	  
}




function BigImage(img,w,h)
{
  var obj_window = window.open(img,"","toolbar=no,directories=no,status = no,resizable=yes,menubar=no,scrollbars=auto,width="+w+"pt, height="+h+"pt");
  obj_window.focus();
}