var file;
var tab=0;
var indice=0;
function bigger(file)
{
	var file2 = file.replace(/thumb_/,"");
	document.getElementById("bigView").src = file2;
	

}

function decalGauche()
{
	if ( indice > 0)
	{
 		indice--;
		document.getElementById("fGauche").className = "montre";
		document.getElementById("fDroite").className = "montre";
    	document.getElementById("img1").src = imgTab[indice];
		document.getElementById("img2").src = imgTab[indice + 1];
 		document.getElementById("img3").src = imgTab[indice + 2];
	}

	if(indice == 0)
		document.getElementById("fGauche").className = "cache";


}

function decalDroite()
{
	Total = imgTab.length;
	if ( indice < Total-3)
	{
 		indice++;
		document.getElementById("fDroite").className = "montre";
		document.getElementById("fGauche").className = "montre";
    	document.getElementById("img1").src = imgTab[indice];
		document.getElementById("img2").src = imgTab[indice + 1];
 		document.getElementById("img3").src = imgTab[indice + 2];
	}

    if(indice == Total-3)
		document.getElementById("fDroite").className = "cache";


}