function MM(a){
  var $ = function(i){ return document.getElementById(i); }
  //alert(pic.innerHtml);
  if( $ ("cont"+a) .style.display=="none" ){
	$ ("pic"+a) .src="img/czimg_02.gif";
	$ ("cont"+a) .style.display="block";
  }else{
	$ ("pic"+a) .src="img/czimg_05.gif";
	$ ("cont"+a) .style.display="none";
  }
}