if (document.images) {

	var imgHomeOff = new Image();
	imgHomeOff.src = "images/btn_home_off.gif";
	var imgHomeOn = new Image();
	imgHomeOn.src = "images/btn_home_on.gif";

	var imgProjectOff = new Image();
	imgProjectOff.src = "images/btn_project_off.gif";
	var imgProjectOn = new Image();
	imgProjectOn.src = "images/btn_project_on.gif";

	var imgAboutOff = new Image();
	imgAboutOff.src = "images/btn_about_off.gif";
	var imgAboutOn = new Image();
	imgAboutOn.src = "images/btn_about_on.gif";

	var imgHowOff = new Image();
	imgHowOff.src = "images/btn_how_off.gif";
	var imgHowOn = new Image();
	imgHowOn.src = "images/btn_how_on.gif";

	var imgObjectiveOff = new Image();
	imgObjectiveOff.src = "images/btn_objective_off.gif";
	var imgObjectiveOn = new Image();
	imgObjectiveOn.src = "images/btn_objective_on.gif";

	var imgEventsOff = new Image();
	imgEventsOff.src = "images/btn_events_off.gif";
	var imgEventsOn = new Image();
	imgEventsOn.src = "images/btn_events_on.gif";

	var imgPhotosOff = new Image();
	imgPhotosOff.src = "images/btn_photos_off.gif";
	var imgPhotosOn = new Image();
	imgPhotosOn.src = "images/btn_photos_on.gif";

	var imgContactOff = new Image();
	imgContactOff.src = "images/btn_contact_off.gif";
	var imgContactOn = new Image();
	imgContactOn.src = "images/btn_contact_on.gif";

}

function openWindow(img) {

	var url = "/photoWin.php?pic=" + img;

	popupWin = window.open(url,'photoWin','width=680,height=520,alwaysRaised,resizable');
	popupWin.focus();
}