function grandedet(source)
{
document.gdproduit.src= source;
}

function grandedetassoc(source)
{
document.gdproduitassoc.src= source;
}

function affiche_image(div_photo){
	for(var i=1;i<4;i++){
		if(document.getElementById('photo'+i)){
			if('photo'+i!=div_photo){
				document.getElementById('photo'+i).style.display='none';
				document.getElementById('photo'+i).style.visibility='hidden';
			}else{
				if(document.getElementById('photo'+i).style.display!="none"){
					document.getElementById('Layer_zoom').style.display='none';
					document.getElementById('Layer_zoom').style.visibility='hidden';
					document.getElementById('photo'+i).style.display='none';
					document.getElementById('photo'+i).style.visibility='hidden';
				}else{
					document.getElementById('Layer_zoom').style.display='block';
					document.getElementById('Layer_zoom').style.visibility='visible';
					document.getElementById('photo'+i).style.display='block';
					document.getElementById('photo'+i).style.visibility='visible';
				}
			}
		}
	}
}

function cache_image(){
	document.getElementById('Layer_zoom').style.display='none';
	document.getElementById('Layer_zoom').style.visibility='hidden';
	for(var i=1;i<4;i++){
		if(document.getElementById('photo'+i)){
			document.getElementById('photo'+i).style.display='none';
			document.getElementById('photo'+i).style.visibility='hidden';
		}
	}
}