function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages(ptr) {
	if (document.images) {
		image01 = newImage(ptr+"img/menu1-over.gif");
		image02 = newImage(ptr+"img/menu2-over.gif");
		image03 = newImage(ptr+"img/menu3-over.gif");
		image04 = newImage(ptr+"img/menu4-over.gif");

		preloadFlag = true;
	}
}

/*
function change_class(over_out, index) {
	var index2="menu"+index;
	if (over_out=='over') document.getElementById(index2).className="menuleft_over";
	else document.getElementById(index2).className="menuleft";		
}
*/

function aff_sous_menu(over_out, index, nbssmenu) {

	for (var i=1; i<=nbssmenu; i++) {
		var menu="menuleft"+i;
		var ssmenu="ssmenuleft"+i;	
		if (i!=index) {
			document.getElementById(ssmenu).style.visibility="hidden";
			document.getElementById(ssmenu).style.display="none";
			document.getElementById(menu).className="menuleft";	
		}
	}	

	var menu="menuleft"+index;
	var ssmenu='ssmenuleft'+index;	
	if (over_out=="over") {
		document.getElementById(ssmenu).style.visibility="visible";
		document.getElementById(ssmenu).style.display="block";
		document.getElementById(menu).className="menuleft_over";	
	}
	if (over_out=="out") {
		document.getElementById(ssmenu).style.visibility="hidden";
		document.getElementById(ssmenu).style.display="none";
		document.getElementById(menu).className="menuleft";	
	}
}



function aff_top_menu(ptr, over_out, index, nbssmenu) {

	for (var i=1; i<=nbssmenu; i++) {
		var menu="menutop"+i;
		var menT="menu"+i;

		if (i!=index) {
			//document.getElementById(menu).style.visibility="hidden";
			//document.getElementById(menu).style.display="none";
			document.getElementById(menT).src=ptr+"img/"+menT+".gif";	
		}
	}	

	var menT="menu"+index;
	var menu="menutop"+index;

	if (over_out=="over") {
		//document.getElementById(menu).style.visibility="visible";
		//document.getElementById(menu).style.display="block";
		document.getElementById(menT).src=ptr+"img/"+menT+"-over.gif";	
	}
	if (over_out=="out") {
		//document.getElementById(menu).style.visibility="hidden";
		//document.getElementById(menu).style.display="none";
		document.getElementById(menT).src=ptr+"img/"+menT+".gif";	
	}
}