$(function(){
	var conf = {
		className : 'externalLink'
	};
	var v = new RegExp(/^\d+\.\d+/);
	if ( $().jquery.match(v)-0 < 1.3 )	var a = 'a[@href^="http"]';
	else								var a = 'a[href^="http"]';
	$(a).click(function(){
		var host_name = new RegExp(location.hostname);
		if(!$(this).attr('href').match(host_name)){
			window.open($(this).attr('href'), "_blank");
			return false;
		}
	}).addClass(conf.className);
});