function M_navbar_roi(selectId){
	for(var i=0;i<M_navbar_roiImgs.length;i++)
		document.getElementById(M_navbar_roiImgs[i]).src = "images/" +  M_navbar_roiImgs[i] + ".png"
	if(typeof selectId != "undefined")
		document.getElementById(selectId).src = "images/" +  selectId + "-survol.png"
}

function M_navbar_roi_theme(selectId,currentTheme){
	for(var i=0;i<M_navbar_roiImgs.length;i++)
	  if(M_navbar_roiImgs[i] != currentTheme)
		  document.getElementById(M_navbar_roiImgs[i]).src = "images/" +  M_navbar_roiImgs[i] + "-gris.png"
	if(selectId && selectId!=currentTheme)  
  		document.getElementById(selectId).src = "images/" +  selectId + ".png"
}