function getDiv(divName){
	HM_DOM = (document.getElementById) ? true : false;
	HM_IE = (document.all)? true : false;
	HM_NS = (document.layers)? true : false;
	if ( HM_DOM ){
		eval("theDiv = document.getElementById('" + divName + "');");
	} else if (HM_IE) {
		eval("theDiv = document.all['" + divName + "'];");
	} else if (HM_NS){
		eval("theDiv = document.layers('" + divName + "');");
	} else {
		return;
	}
	return theDiv;
}

function toggleDiv(divName){
	// Toggle visibility of div divName
	theDiv = getDiv(divName);
	if (theDiv.style.display == "none"){
		theDiv.style.display = "block";
	} else {
		theDiv.style.display = "none";
	}
}

function showDiv(divName){
	theDiv = getDiv(divName);
	theDiv.style.display = "block";
}

function hideDiv(divName){
	theDiv = getDiv(divName);
	theDiv.style.display = "none";
}
	
function toggleSideBar(on){
	var sidebar = getDiv('columnOne');
	//var content = getDiv('columnTwo');
	var content = getDiv('contentHolder');
	if (! on){
	//	content.style.width = '92%';
		content.style.marginLeft = '0px';
		hideDiv('columnOne');
		hideDiv('Layer1a');
		showDiv('Layer1b');
	} else {
	//	content.style.width = '78%';
		content.style.marginLeft = '200px';
		showDiv('columnOne');
		showDiv('Layer1a');
		hideDiv('Layer1b');
	}
}