// Function to 'activate' images.
function imgOn(imgName) {
if (document.images) {
document[imgName].src=eval(imgName + "on.src");
}
}

// Function to 'deactivate' images.
function imgOff(imgName) {
if (document.images) {
document[imgName].src=eval(imgName + "off.src");

}
}

// Function for random images.
var imagenumber = 17;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array;
images[1] = "../../../../../../../images/common/left01.gif";
images[2] = "../../../../../../../images/common/left02.gif";
images[3] = "../../../../../../../images/common/left03.gif";
images[4] = "../../../../../../../images/common/left04.gif";
images[5] = "../../../../../../../images/common/left05.gif";
images[6] = "../../../../../../../images/common/left06.gif";
images[7] = "../../../../../../../images/common/left07.gif";
images[8] = "../../../../../../../images/common/left08.gif";
images[9] = "../../../../../../../images/common/left09.gif";
images[10] = "../../../../../../../images/common/left10.gif";
images[11] = "../../../../../../../images/common/left11.gif";
images[12] = "../../../../../../../images/common/left12.gif";
images[13] = "../../../../../../../images/common/left13.gif";
images[14] = "../../../../../../../images/common/left14.gif";
images[15] = "../../../../../../../images/common/left15.gif";
images[16] = "../../../../../../../images/common/left16.gif";
images[17] = "../../../../../../../images/common/left17.gif";
var image = images[rand1];

// -->