function popup_window(url, options) {
	window.open (url, "nlwindow", options); 
}

function swap_product_img(filename) {
	$('#prod_detail_img').attr('src', filename);
}

function textarea_limit_chars(textid, limit)
{
var text = $('#'+textid).val(); 
var textlength = text.length;
if(textlength > limit)
{
 $('#'+textid).val(text.substr(0,limit));
 return false;
}
}