var myimages=new Array()
function preloadImgs(){
	for (i=0;i<preloadImgs.arguments.length;i++){
		myimages[i]=new Image();
		myimages[i].src="../images/" + preloadImgs.arguments[i];
	}
}

preloadImgs("lnav_about_over.gif", "lnav_interviews_over.gif", "lnav_student_over.gif", "lnav_test_over.gif", "lnav_tour_over.gif");


function swapImg(img1,img2) {
			if (document.images) {
				document[img1].src = img2 + ".gif";
			}
		}

function swapImgJPG(img1,img2) {
	if (document.images) {
		document[img1].src = img2 + ".jpg";
	}
}

imgi = 0;

function cycleImg_taleof2rivers4() {
	imgArr = new Array("../images/tour_taleof2rivers_4_a.jpg", "../images/tour_taleof2rivers_4_b.jpg", "../images/tour_taleof2rivers_4_c.jpg", "../images/tour_taleof2rivers_4_d.jpg");
	if (document.images) {
		document["cycimg"].src = imgArr[imgi];
		if (imgi < imgArr.length-1) imgi++;
		else imgi = 0;		
	}
	setTimeout("cycleImg_taleof2rivers4();",2000);
}

function cycleImg_taleof2rivers10() {
	imgArr = new Array("../images/tour_taleof2rivers_10_a.jpg", "../images/tour_taleof2rivers_10_b.jpg", "../images/tour_taleof2rivers_10_c.jpg");
	if (document.images) {
		document["cycimg"].src = imgArr[imgi];
		if (imgi < imgArr.length-1) imgi++;
		else imgi = 0;		
	}
	setTimeout("cycleImg_taleof2rivers10();",2000);
}

function cycleImg_taleof2rivers15() {
	imgArr = new Array("../images/tour_taleof2rivers_15_a.jpg", "../images/tour_taleof2rivers_15_b.jpg", "../images/tour_taleof2rivers_15_c.jpg");
	if (document.images) {
		document["cycimg"].src = imgArr[imgi];
		if (imgi < imgArr.length-1) imgi++;
		else imgi = 0;		
	}
	setTimeout("cycleImg_taleof2rivers15();",2000);
}

function cycleImg_bridgingny10() {
	imgArr = new Array("../images/tour_bridgingny_10_a.jpg", "../images/tour_bridgingny_10_b.jpg", "../images/tour_bridgingny_10_c.jpg", "../images/tour_bridgingny_10_d.jpg");
	if (document.images) {
		document["cycimg"].src = imgArr[imgi];
		if (imgi < imgArr.length-1) imgi++;
		else imgi = 0;		
	}
	setTimeout("cycleImg_bridgingny10();",2000);
}