function showPlagin(idno){   
pc = ('PlagClose' + (idno));   
po = ('PlagOpen' + (idno));   
if( document.getElementById(pc).style.display == "none" ) {   
document.getElementById(pc).style.display = "block";   
document.getElementById(po).style.display = "none";   
}   
else {   
document.getElementById(pc).style.display = "none";   
document.getElementById(po).style.display = "block";   
}   
}