function checkBrowser(){
	var regAppVersion = /\d+.\d+/;
	var version = regAppVersion.exec(navigator.appVersion)
	//alert(navigator.appName + " " + version+ " : " + navigator.appVersion);
	if((navigator.appName == 'Netscape') && (version < 5)){
		return true;
	}else
		return false;
}

function ShowHideTab(id, bOn){
	if(checkBrowser())
		return;
	else{
		var oTab = document.getElementById("st"+id);
		var oImage   = document.getElementById("im"+id);
	}
	if (!oTab || !oImage) return;
    bOn = (oTab.style.display.toLowerCase() == "none");
	if (bOn == false)
	{
		oTab.style.display = "none";
		oImage.src = "images/more.gif";
		oImage.alt = "Expand item";
	}
	else
	{
		oTab.style.display = "";
		oImage.src = "images/close.gif";
		oImage.alt = "Close item";
	}
}


function ShowHide(id){
	if(checkBrowser())
		return;
	else{
		var oTab = document.getElementById("st"+id);
	}
	if (!oTab) return;
    bOn = (oTab.style.display.toLowerCase() == "none");
	if (bOn == false)
	{
		oTab.style.display = "none";
	}
	else
	{
		oTab.style.display = "";
	}
}