function lfm_show(tab){ 
	
	 i=1;
	 
	/*
	while (document.getElementById("m_"+i)){
		 document.getElementById("m_"+i).style.display='none'; 
		 i++;
	 }
	 */
	 document.getElementById(tab).style.display='block';
}




function lfm_hide(tab){  
	
 	document.getElementById(tab).style.display='none'; 
}