var isShadowed = false;
pageLoad();

//addEvent() by John Resig
function addEvent( obj, type, fn ){ 
   if (obj.addEventListener){ 
      obj.addEventListener( type, fn, false );
   }
   else if (obj.attachEvent){ 
      obj["e"+type+fn] = fn; 
      obj[type+fn] = function(){ obj["e"+type+fn]( window.event ); } 
      obj.attachEvent( "on"+type, obj[type+fn] ); 
   } 
}

function windowResize() {
	$('.shadow').redrawShadow();
}

function pageLoad() {
	addEvent(window, 'resize', windowResize);
	
	jQuery(document).ready(function() {
	    if (!isShadowed)
	    {
	        isShadowed = true;
		    // Add blur drop shadow effect to any div elements with shgadow class
		    $('.shadow').dropShadow({left: 1, top: 1, blur: 2});
		}
	});
}