function doLayerSwap(strLayerID){
	$('#mainprodimg').children().css('display','none');
	$('#'+strLayerID).css('display','block');
	$('#prodimgnav a').removeClass('selected');
	$('#'+strLayerID+'link').addClass('selected');
}

function initLayerNav(){
	var strLayerNav='<span class="label">Select Image:</span>';
	var intCount=0;
	var strSiteLoc=window.location.href;

	$('.imgcontainer').each(function(i){
		intCount=intCount+1
		if(intCount==1){
			strClass=' class="selected"';
		}else{
			strClass='';
		}
		strLayerNav+=' <a href="'+strSiteLoc+'" onclick="doLayerSwap(\'img'+intCount+'\');return false;"'+strClass+' id="img'+intCount+'link">'+intCount+'</a>';
	});

	$('#prodimgnav').html(strLayerNav);
}