var ogBtn = 0
function Toggle(oItem, bOn)
{

	if (bOn)
		oItem.style.color = sOnColor;
	else
		oItem.style.color = sOffColor;
		
}
function ToggleImage(oItem, bOn)
{
	var iDash;
	//var oItem = window.event.srcElement;
	
	iDash = oItem.src.lastIndexOf("_");
	if (oItem != ogBtn)
		if (bOn)
			oItem.src = oItem.src.substr(0,iDash) + "_on.gif";
		else
			oItem.src = oItem.src.substr(0,iDash) + "_off.gif";
}
function SetColour()
{
	var oBtn = window.event.srcElement;
	var iDash;
	if (ogBtn != 0)
	{
		iDash = ogBtn.src.lastIndexOf("_");
		ogBtn.src = ogBtn.src.substr(0,iDash) + "_off.gif";
	}
	iDash = oBtn.src.lastIndexOf("_");
	oBtn.src = oBtn.src.substr(0,iDash) + "_on.gif";
	ogBtn = oBtn;
}