function setSelectedImage() {
	var img = parent.document.getElementById(imgName);
	if (img != null) {
		if (parent.imgCurrent != null) {
			parent.imgCurrent.src = parent.srcCurrent;
		}
		var reg = new RegExp('^(.+?)(?:_over)?\.gif$', 'g');
		parent.srcCurrent = img.src.replace(reg, '$1.gif');
		parent.imgCurrent = img;
		img.src = imgSrc;
	}
}
window.onload=setSelectedImage;