function MC(Img,DIVName)
 {
  if (DIVName.style.display=='none')
   {
	Img.src='img/icones/minus.png';
	DIVName.style.display='InLine';
   }
  else
   {
	Img.src='img/icones/plus.png';
	DIVName.style.display='none';
   }
 }
 
 function MCNI(DIVName)
  {
  if (DIVName.style.display=='none')
   {
	DIVName.style.display='InLine';
   }
  else
   {
	DIVName.style.display='none';
   }
 }
 
 function alpha_on(IMGname)
 	{
		IMGname.filters.alpha.opacity=100;
	}
   
function alpha_off(IMGname)
	{
		IMGname.filters.alpha.opacity=50;
	}