function tSwap(swapNum){

document.thumb_swap.src="swap_0" + swapNum + ".jpg";
	
	
	for(var i=1;i<14;i++){
	if (i==swapNum)
	document.getElementById("swap" + i ).style.visibility ="visible", document.getElementById("click" + i ).style.color ="black";
	else
	 document.getElementById("swap" + i).style.visibility ="hidden",document.getElementById("click" + i ).style.color ="C79544";
	}

}