var curYear=0;
var ckModels=new Array("Compact","Tinker","Yeoman","Fieldmaster","Soldier","Farmer","Astronaut","Super Tinker","Electrician","Compact");

function getCKyear(ckYear) {
	switch(ckYear) {
		case 1000:
			return ("Joing the club gift");
  			break    
		case 2000:
			return ("1st Anniversary Year (2000)");
  			break    
		case 2001:
			return ("2nd Anniversary Year (2001)");
  			break    
		case 2002:
			return ("3rd Anniversary Year (2002)");
  			break    
  		default:
			return ((ckYear-1999) + "th Anniversary Year (" + ckYear+")");
			break;
	}
}

function getCKmodel(ckYear) {
	if(ckYear>1999) {
		return ("Knife Model: " + ckModels[ckYear-2000]);
	} else {
		return ("Knife Model: Classic");
	}
}

function getNAimgStr() {
	return '<img width=180 height=135 border=1 src="imgs/clubknives/NA.jpg">';
}

function getCKimgStr(ckNum) {
	return '<img width=180 height=135 border=1 style="cursor: pointer;" onclick="showCKbig('+ckNum+');" src="imgs/clubknives/'+curYear+'_'+ckNum+'.jpg">';
}

function getCKimgBigStr(ckNum) {
	return '<img width=500 height=375 border=1 src="imgs/clubknives/'+curYear+'_'+ckNum+'_b.jpg">';
}

function showCK(ckYear) {
	if(curYear != ckYear) {
	if(curYear==0) {
		document.getElementById("ckloading").style.display="none";
		document.getElementById("ckinfo").style.display="";
		document.getElementById("ckimgs").style.display="";
	} else {
		document.getElementById("ck"+curYear).style.color='ffffff';
	}
	document.getElementById("ckimgbigtr").style.display="none";
	document.getElementById("ck"+ckYear).style.color='c0c0c0';
	curYear=ckYear;
	if(ckYear != 2000) {
		for(var i=1; i<=4; i++) {
			document.getElementById("ckimg"+i).innerHTML=getCKimgStr(i);
		}
	} else {
		for(var i=1; i<=4; i++) {
			document.getElementById("ckimg"+i).innerHTML=getNAimgStr();
		}
	}
	document.getElementById("ckyear").innerHTML=getCKyear(ckYear);
	document.getElementById("ckmodel").innerHTML=getCKmodel(ckYear);
	}
}

function showCKbig(ckImg) {
	document.getElementById("ckimgbigtr").style.display="";
	document.getElementById("ckimgbig").innerHTML=getCKimgBigStr(ckImg);
}