function hideToC() {
	if (top.section) {
		var fs=top.section.mainFrameSet;
		if (fs!=null) {
			top.section.strColumns_Current=fs.cols;
			fs.cols = "0, *";
		}
		top.section.band.document.getElementById("showPanel").style.display="block";
	}
	else if (top.mainFrameSet) {
		var fs=top.mainFrameSet;
		if (fs!=null) {
			top.strColumns_Current=fs.cols;
			fs.cols = "0, *";
		}
		top.band.document.getElementById("showPanel").style.display="block";
	}
}