This is the incorrect code:
Code:
if(i < 10) {
bigImage = image.src.substring(0, image.src.indexOf("_")-1);
} else {
bigImage = image.src.substring(0, image.src.indexOf("_")-2);
}
It should simply just be:
Code:
bigImage = image.src.substring(0, image.src.indexOf("_")-1);