Pseudo class (for IE6)

PseudoClass.js

function PseudoClass(autotarget) {
	this.targets = [];
	if((autotarget != undefined) && (autotarget == true)) {
		this.attach(true);
	}
}
PseudoClass.prototype.addTarget = function(target) {
	this.targets.push(target);
	return target;
}
PseudoClass.prototype.attach = function(autotarget) {
	var self = this;
	if((autotarget != undefined) && (autotarget == true)) {
		$('.js_pseudo_class').each(function(index, element) {
			self.byTarget(element);
		});
	}
	jQuery.each(self.targets, function(index, target) {
		self.byTarget(target);
	});
	self.targets = null;
}
PseudoClass.prototype.byTarget = function(target) {
	var children = $(target).children();
	if(children.length > 1) {
		$(children.get(0)).addClass('first-child');
		$(children.get(children.length - 1)).addClass('last-child');
	} else if(children.length == 1) { 
		$(children.get(0)).addClass('only-child');
	}
}


// Attach fake Pseudo Classes for IE6. It is done outside of head for speed reasons
if($.browser.msie && ($.browser.version.match(/^6/) != -1)) {
	new PseudoClass(true);
}