if(document.images){
	  var continue_gif = new Image(96, 33);
    continue_gif.src = "images/continue.gif";
		var continue_png = new Image(96, 33);
    continue_png.src = "images/continue.png";
		var li_about = new Image(210, 35);
    li_about.src = "images/li_about.gif";
		var li_about_o = new Image(210, 35);
    li_about_o.src = "images/li_about_o.gif";
		var li_copyright = new Image(210, 35);
    li_copyright.src = "images/li_copyright.gif";
		var li_copyright_o = new Image(210, 35);
    li_copyright_o.src = "images/li_copyright_o.gif";
		var li_authors = new Image(210, 35);
    li_authors.src = "images/li_authors.gif";
		var li_authors_o = new Image(210, 35);
    li_authors_o.src = "images/li_authors_o.gif";
		var li_chkout = new Image(210, 35);
    li_chkout.src = "images/li_chkout.gif";
		var li_chkout_o = new Image(210, 35);
    li_chkout_o.src = "images/li_chkout_o.gif";
		var li_trainings = new Image(210, 35);
    li_trainings.src = "images/li_trainings.gif";
		var li_trainings_o = new Image(210, 35);
    li_trainings_o.src = "images/li_trainings_o.gif";
		var li_faq = new Image(210, 35);
    li_faq.src = "images/li_faq.gif";
		var li_faq_o = new Image(210, 35);
    li_faq_o.src = "images/li_faq_o.gif";
		var li_index = new Image(210, 35);
    li_index.src = "images/li_index.gif";
		var li_index_o = new Image(210, 35);
    li_index_o.src = "images/li_index_o.gif";
		var li_news = new Image(210, 35);
    li_news.src = "images/li_news.gif";
		var li_news_o = new Image(210, 35);
    li_news_o.src = "images/li_news_o.gif";
		var li_products = new Image(210, 35);
    li_products.src = "images/li_products.gif";
		var li_products_o = new Image(210, 35);
    li_products_o.src = "images/li_products_o.gif";
		var li_quotes = new Image(210, 35);
    li_quotes.src = "images/li_quotes.gif";
		var li_quotes_o = new Image(210, 35);
    li_quotes_o.src = "images/li_quotes_o.gif";
		var li_resources = new Image(210, 35);
    li_resources.src = "images/li_resources.gif";
		var li_resources_o = new Image(210, 35);
    li_resources_o.src = "images/li_resources_o.gif";
			var li_resources = new Image(210, 35);
    li_research.src = "images/li_research.gif";
		var li_resources_o = new Image(210, 35);
    li_research_o.src = "images/li_research_o.gif";

}