function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
challenge_leftnav1_01_over = newImage("/images/challenge_leftnav1_01-over.gif");
challenge_leftnav1_02_over = newImage("/images/challenge_leftnav1_02-over.gif");
challenge_leftnav1_03_over = newImage("/images/challenge_leftnav1_03-over.gif");
challenge_leftnav1_04_over = newImage("/images/challenge_leftnav1_04-over.gif");
challenge_leftnav1_05_over = newImage("/images/challenge_leftnav1_05-over.gif");
challenge_leftnav1_06_over = newImage("/images/challenge_leftnav1_06-over.gif");
challenge_leftnav1_07_over = newImage("/images/challenge_leftnav1_07-over.gif");
challenge_leftnav1_08_over = newImage("/images/challenge_leftnav1_08-over.gif");
challenge_leftnav1_09_over = newImage("/images/challenge_leftnav1_09-over.gif");
preloadFlag = true;
}
}


pic1= new Image(13,132); 
pic1.src="/images/curve1.png";

pic1= new Image(141,11); 
pic1.src="/images/curve_rightfeatures.png"; 

pic2= new Image(216,13); 
pic2.src="/images/curve_lwr_middle.png"; 

pic3= new Image(16,119); 
pic3.src="/images/curve_bottom.png";