function preloader()
{
     // counter
	 var i = 0;
     // create object
	 imageObj = new Image();
     // set image list     
	 images = new Array();
		images[0]="/images/buttons/articles-over.gif"
		images[1]="/images/buttons/articles.gif"
		images[2]="/images/buttons/board-over.gif"
		images[3]="/images/buttons/board.gif"
		images[4]="/images/buttons/contact-over.gif"
		images[5]="/images/buttons/contact.gif"
		images[6]="/images/buttons/contactUs.jpg"
		images[7]="/images/buttons/donate-over.gif"
		images[8]="/images/buttons/events.jpg"
		images[9]="/images/buttons/home-over.gif"
		images[10]="/images/buttons/home.gif"
		images[11]="/images/buttons/join-over.gif"
		images[12]="/images/buttons/join.gif"
		images[13]="/images/buttons/links-over.gif"
		images[14]="/images/buttons/links.gif"
		images[15]="/images/buttons/midwest-over.gif"
		images[16]="/images/buttons/midwest.gif"
     // start preloading
	 for(i=0; i<=16; i++)
	 	{
			imageObj.src=images[i];
		}
}