//QUIZ - Faire appara�tre et dispara�tre les r�ponses



function domTab(grp,st,i,nb){



	var colourOfInactiveTab = "transparent";  



	var colourOfActiveTab = "transparent";  



	var colourOfInactiveLink = "#000000";  



	var colourOfActiveLink = "#deff00";  



  if (document.getElementById){



    var old = document.getElementById(grp+i).style.display;



    for(g=1; g<nb+1; g++){



      document.getElementById(grp+g).style.display='none';



      document.getElementById(st+g).style.background=colourOfInactiveTab;



      document.getElementById(st+g).style.color=colourOfInactiveLink;



    }



    if (old == "none" || old == "") {



      document.getElementById(grp+i).style.display='block';



      document.getElementById(st+i).style.background=colourOfActiveTab;



      document.getElementById(st+i).style.color=colourOfActiveLink;



    }



  }



}