window.onload = function() {
	dropDowns();
	
	// search button for IE6
	if (window.ie6 && $('search-btn')) {
		$('search-btn').addEvent('mouseover', function(){
			this.setStyle('background-position','0 -20px');
		});
		$('search-btn').addEvent('mouseout', function(){
			this.setStyle('background-position','0 0');
		})
	}
}

function dropDowns() {
	var mainnav = $('mainnav');
/*
	for (var i=0; i < mainnav.childNodes.length; i++) {
		node = mainnav.childNodes[i];
		if (node.nodeName == 'LI') {
			node.onmouseover = function() { this.className+="over"; }
			node.onmouseout= function() { this.className=""; }
		}
	}
*/
}