// JavaScript Document
function afficher_texte(mode, subDivsClass, subDivsPrefixID, nbitemsperline) {
	if(mode == 0){
		//children divs inside master div
		subdivs = $$('#thematique div.'+subDivsClass); //subDivsClass == active, active2
		//hide all divtexts
		for(x=0; x<subdivs.length; x++){
			//inside each find the div with text
			divtext = subdivs[x].getElements('div');
			divtext.set('class', 'invisible');
		}
	}else if(mode > 0){
		//nbitemsperline = 4;
		if(mode<=nbitemsperline){
			mode2 = mode; //ok
		}else if(mode > nbitemsperline){
			mode2 = Math.floor(mode % nbitemsperline);
			if(mode2 == 0){
				mode2 = nbitemsperline;
			}
		}
		
		//set class
		if($(subDivsPrefixID+mode)){
			$(subDivsPrefixID+mode).set('class', 'visible '+subDivsPrefixID+mode2); //subDivsPrefixID = themaX, forfaitX
		}
	}
}