function shtab(id) {
	currentId = 0;
	while( currentId++ < nbTab ) {
		objId = document.getElementById("tab"+currentId);
		objMenuId = document.getElementById("tabmenu"+currentId);
		if( currentId == id ) {
			objId.style.display = "block";
			objMenuId.className = "tab_conteneur_bleu";
		}
		else {
			objId.style.display = "none";
			objMenuId.className = "tab_conteneur_bleuclair";
		}
	}
	
}

function shpart(state, id) {
	IE7 = false;
	//alert( state + " " + id );
	objId = document.getElementById("part"+id);
	objImgId = document.getElementById("partimg"+id);
	//alert(objId.offsetTop)
	if( (document.all) && (navigator.appVersion.indexOf("MSIE 7.")!=-1) ){
		//alert("IE7");
		IE7 = true;
	}
	if( state == "show" && IE7 == false ) {
		
		//objId.style.display = "block";
		//alert( (objImgId.offsetTop - 10 - objId.offsetHeight) );
		/* Obligé de le faire après le display block */
		objId.style.top = (objImgId.offsetTop - 10 - objId.offsetHeight)+"px";
		objId.style.left = (objImgId.offsetLeft + 0)+"px";	
		objId.style.visibility = "visible";
		
	}
	else if( state == "hide" ) {
		objId.style.visibility = "hidden";
		objId.style.top = "0px";
		objId.style.left = "0px";
		//objId.style.display = "none";
	}
}