// JavaScript Document
function arrCheck() {
	if (pics.length > 4) {
		document.getElementById("arrow-l").style.visibility="visible";
		document.getElementById("arrow-r").style.visibility="visible";
	}
}

function chgTM(dir) {
 if (document.images) {
	tm1N += dir;
	tm2N += dir;
	tm3N += dir;
	tm4N += dir;
	if (tm1N > picN) { tm1N = 0; }
	if (tm1N < 0) { tm1N = picN; }
	if (tm2N > picN) { tm2N = 0; }
	if (tm2N < 0) { tm2N = picN; }
	if (tm3N > picN) { tm3N = 0; }
	if (tm3N < 0) { tm3N = picN; }
	if (tm4N > picN) { tm4N = 0; }
	if (tm4N < 0) { tm4N = picN; }
	document.getElementById("tm1").src = "images/cards_"+pics[tm1N]+"_tm.jpg";
	document.getElementById("tm2").src = "images/cards_"+pics[tm2N]+"_tm.jpg";
	document.getElementById("tm3").src = "images/cards_"+pics[tm3N]+"_tm.jpg";
	document.getElementById("tm4").src = "images/cards_"+pics[tm4N]+"_tm.jpg";
 }
}

function chgMain(N) {
	if (N == 1) { document.getElementById("image-designs").src = "images/cards_"+pics[tm1N]+".jpg"; }
	if (N == 2) { document.getElementById("image-designs").src = "images/cards_"+pics[tm2N]+".jpg"; }
	if (N == 3) { document.getElementById("image-designs").src = "images/cards_"+pics[tm3N]+".jpg"; }
	if (N == 4) { document.getElementById("image-designs").src = "images/cards_"+pics[tm4N]+".jpg"; }
}