var aryImages = new Array(7);
aryImages[0] = "/images/inner_physicians_ro.gif";
aryImages[1] = "/images/inner_cvaservices_ro.gif";
aryImages[2] = "/images/inner_angio_ro.gif";
aryImages[3] = "/images/inner_patientinfo_ro.gif";
aryImages[4] = "/images/inner_newsroom_ro.gif";
aryImages[5] = "/images/inner_referring_ro.gif";
aryImages[6] = "/images/inner_about_ro.gif";

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