function display_menu(id,anim){
	clear_menu();
	document.getElementById(id).style.display="";
	}
	


function clear_menu(){
	clearTimeout(toto);
	clearTimeout(tata);
	document.getElementById("lateral_groupe").style.display="none"
	document.getElementById("lateral_metiers").style.display="none"
	document.getElementById("lateral_references").style.display="none"
	document.getElementById("lateral_recrutement").style.display="none"
	document.getElementById("lateral_contact").style.display="none"
	}
	
function prepare_cleaning(){
	toto=setTimeout("clear_menu()",500);
	
	}
	
toto="";
tata="";

function clear_video_inverse(){
	tata=setTimeout("clear_video_inverse_now()",500);
	}

function clear_video_inverse_now(){
	clearTimeout(tata);
	for(i=1;i<6;i++){
	tmp=document.getElementById("bt_"+i)
	if(tmp.src.indexOf("_c.gif")==-1){tmp.src=tmp.src.replace("_b.gif","_a.gif");}
	}	
}

function roll(id){
	
for(i=1;i<6;i++){
	tmp=document.getElementById("bt_"+i)
	if(tmp.src.indexOf("_c.gif")==-1){tmp.src=tmp.src.replace("_b.gif","_a.gif");}
	}

	tmp=document.getElementById(id)
	
	if(tmp.src.indexOf("_c.gif")==-1){

		if(tmp.src.indexOf("_a.gif")==-1){tmp.src=tmp.src.replace("_b.gif","_a.gif");}
			else{tmp.src=tmp.src.replace("_a.gif","_b.gif");}
		
		}
	}
	
function sous_roll(id){
	
	tmp=document.getElementById(id)

	if(tmp.src.indexOf("_a.gif")==-1){tmp.src=tmp.src.replace("_b.gif","_a.gif");}
			else{tmp.src=tmp.src.replace("_a.gif","_b.gif");}

}

function hide_mask(){
	document.getElementById('mask').style.display='none';
	}
	
	

window.onload = function() { hide_mask(); }