if (document.images) {
	btn_continue_off = new Image();
	btn_continue_off.src = '/images/btn_continue_off.gif';
	btn_continue_on = new Image();
	btn_continue_on.src = '/images/btn_continue_on.gif';
	btn_continue_purple_off = new Image();
	btn_continue_purple_off.src = '/images/btn_continue_purple_off.gif';
	btn_continue_purple_on = new Image();
	btn_continue_purple_on.src = '/images/btn_continue_purple_on.gif';
}



//========================= standard rollover =========================
function rollover(imgName, active) {
	if (document.images && document.images[imgName]) {
		active? document[imgName].src = self[imgName + '_on'].src : document[imgName].src = self[imgName + '_off'].src;
	}
}



// ==================== pop-up window script ====================
var popUpWin = null;

function popUp(theURL, winName, features) {
	popUpWin = window.open(theURL, winName, features);
	if (popUpWin.focus) popUpWin.focus();
}