var ctgNum = 16;

ctg = new Array(ctgNum);
ctg[0] = "prestige";
ctg[1] = "feerie";
ctg[2] = "verite";
ctg[3] = "cui34650";
ctg[4] = "cui23100";
ctg[5] = "cui17903";
ctg[6] = "cui14438";
ctg[7] = "bev6930";
ctg[8] = "bev4620";
ctg[9] = "european1";
ctg[10] = "japanese1";
ctg[11] = "blancheur";
ctg[12] = "bev11550";
ctg[13] = "bev3465";
ctg[14] = "european2";
ctg[15] = "japanese2";

selSt = new Array(ctgNum);
for(i=0; i<ctgNum; i++){
	selSt[i] = false;
}

ctgOff = new Array(ctgNum);
ctgOn = new Array(ctgNum);
ctgSel = new Array(ctgNum);
for(i=0; i<ctgNum; i++){
	ctgOff[i] = new Image();
	ctgOn[i] = new Image();
	ctgSel[i] = new Image();
	ctgOff[i].src = "img/"+ctg[i]+"_off.gif";
	ctgOn[i].src = "img/"+ctg[i]+"_on.gif";
	ctgSel[i].src = "img/"+ctg[i]+"_sel.gif";
}

function overOn(num){
	if (selSt[num]==false) {
		document.images[ctg[num]].src = ctgOn[num].src;
	}
}

function outOff(num){
	if (selSt[num]==false) {
		document.images[ctg[num]].src = ctgOff[num].src;
	}
}

function sel(num){
	if (selSt[num]) {
		selSt[num] = false;
		document.images[ctg[num]].src = ctgOn[num].src;
	} else {
		selSt[num] = true;
		document.images[ctg[num]].src = ctgSel[num].src;
	}
}