var aryImages = new Array(2);
aryImages[0] = "images/xrecit3_04.jpg";
aryImages[1] = "images/xrecit6_04.jpg";
aryImages[2] = "images/xrecit5_04.jpg";
aryImages[3] = "images/xrecitstu_02.JPG";
aryImages[4] = "images/001_03.jpg";
aryImages[5] = "images/062_03.jpg";

for (i=0; i < aryImages.length; i++) {
var preload = new Image();
preload.src = aryImages[i];
}

var aryImages2 = new Array(2);
aryImages2[0] = "images/xrecitgro2_02.JPG";
aryImages2[1] = "images/xrecitgro1_02.JPG";
aryImages2[2] = "images/xrecitwin_02.JPG";
aryImages2[3] = "images/xrecitan_02.JPG";
aryImages2[4] = "images/xrecitsc1_02.JPG";
aryImages2[5] = "images/xrecit4_04.jpg";
aryImages2[6] = "images/xrecitsc2_02.JPG";

for (i=0; i < aryImages.length; i++) {
var preload2 = new Image();
preload2.src = aryImages2[i];
}

function swap(imgIndex) {
document['swap1'].src = aryImages[imgIndex];
}

function swap2(imgIndex) {
document['swap2'].src = aryImages2[imgIndex];
}