// Used for xhtml strict compliance by opening a new window without target="_blank"
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;


// get date
var m_names = new Array("January", "February", "March", 
"April", "May", "June", "July", "August", "September", 
"October", "November", "December");

var date = new Date();
var curr_date = date.getDate();
var sup = "";
if (curr_date == 1 || curr_date == 21 || curr_date ==31)
   {
   sup = "st";
   }
else if (curr_date == 2 || curr_date == 22)
   {
   sup = "nd";
   }
else if (curr_date == 3 || curr_date == 23)
   {
   sup = "rd";
   }
else
   {
   sup = "th";
   }

var curr_month = date.getMonth();
var curr_year = date.getFullYear();

// docready items
$(document).ready(function(){
	//fix browsers without first-child support
	$('#header-links ul li:first').addClass('first');

	// #welcome-left and #welcome-right should line up
	$('#welcome-right').css('min-height',$('#welcome-left').height());

	// creates ul/li/ul structure for cascading/expanding nav
	$('li.main-cat').append('<ul class="sub-cat-ul"></ul>');
	$('ul.sub-cat-ul').each(function() {
		$(this).append($(this).parent().nextUntil('li.main-cat'));
	});
	$('ul.sub-cat-ul:empty').hide();
});


function openGlassCalculator(theUrl){
	var glassCalculator= window.open(theUrl, 'glassCalculator', 'top='+((screen.height-450)/2)+',left='+((screen.width-650)/2)+',width=650,height=450,status=no,resizable=yes,scrollbars=yes'); glassCalculator.focus(); return false;
}