button1 = new Image();
button1.src = "./images/nav_qbo_off.gif";
button1over = new Image();
button1over.src = "./images/nav_qbo_on.gif";

button2 = new Image();
button2.src = "./images/nav_dow_off.gif";
button2over = new Image();
button2over.src = "./images/nav_dow_on.gif";

button3 = new Image();
button3.src = "./images/nav_pur_off.gif";
button3over = new Image();
button3over.src = "./images/nav_pur_on.gif";

button4 = new Image();
button4.src = "./images/nav_faq_off.gif";
button4over = new Image();
button4over.src = "./images/nav_faq_on.gif";

button5 = new Image();
button5.src = "./images/nav_cha_off.gif";
button5over = new Image();
button5over.src = "./images/nav_cha_on.gif";

button6 = new Image();
button6.src = "./images/nav_env_off.gif";
button6over = new Image();
button6over.src = "./images/nav_env_on.gif";

button7 = new Image();
button7.src = "./images/nav_gur_off.gif";
button7over = new Image();
button7over.src = "./images/nav_gur_on.gif";

button8 = new Image();
button8.src = "./images/nav_moo_off.gif";
button8over = new Image();
button8over.src = "./images/nav_moo_on.gif";

button9 = new Image();
button9.src = "./images/dl_qbob32_off.gif";
button9over = new Image();
button9over.src = "./images/dl_qbob32_on.gif";

button10 = new Image();
button10.src = "./images/dl_qbob16_off.gif";
button10over = new Image();
button10over.src = "./images/dl_qbob16_on.gif";

button11 = new Image();
button11.src = "./images/download_button.gif";
button11over = new Image();
button11over.src = "./images/download_button_f2.gif";

function imgSwap(string,i) {
	eval('document.button' + i + '.src = ' + string)
	}