//right menu

DocImages = false; // Browser check for document.images Compatibility
if( parseInt( navigator.appVersion ) >= 3 ) {
  DocImages = true;} //- end of Browser check
//preload
  if (DocImages)  {
	for(i=1;i<=8;i++){
	  eval('btn' + i + '_on=new Image()');
	  eval("btn"+ i +"_on").src = "buttons/right_mnu_btn_n_"+i+"_on.gif";
	  eval('btn' + i + '_off=new Image()');
	  eval("btn"+ i +"_off").src = "buttons/right_mnu_btn_n_"+i+"_off.gif";
	 	  
	}
  }

// swap for buttons

  function swap(num,dir){
	if(DocImages){
	if(dir ){
	  eval("document.btn" + num).src= eval("btn" + num + "_on").src; 
	  }
	else {
	  eval("document.btn" + num).src= eval("btn" + num + "_off").src; 
	}
  }
}