function showInfoab(f) 
{ 
 document.getElementById("popasp_table121").style.display="none"; 
 document.getElementById("popasp_table122").style.display="none"; 
 document.getElementById("popasp_table123").style.display="none"; 
 document.getElementById("t121").style.background="#ccd5f4"; 
 document.getElementById("t122").style.background="#ccd5f4"; 
 document.getElementById("t123").style.background="#ccd5f4"; 
 document.getElementById("popasp_table"+f).style.display=""; 
 document.getElementById("t"+f).style.background="#a8b2f7"; 
}