DOM = (document.getElementById) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;
Konqueror = (navigator.userAgent.indexOf("Konqueror") > -1) ? 1 : 0;
Konqueror22 = (navigator.userAgent.indexOf("Konqueror 2.2") > -1 || navigator.userAgent.indexOf("Konqueror/2.2") > -1) ? 1 : 0;
Opera = (navigator.userAgent.indexOf("Opera") > -1) ? 1 : 0;
Opera5 = (navigator.userAgent.indexOf("Opera 5") > -1 || navigator.userAgent.indexOf("Opera/5") > -1) ? 1 : 0;
Opera6 = (navigator.userAgent.indexOf("Opera 6") > -1 || navigator.userAgent.indexOf("Opera/6") > -1) ? 1 : 0;
Opera56 = Opera5 || Opera6;
IE = (navigator.userAgent.indexOf("MSIE") > -1) ? 1 : 0;
IE = IE && !Opera;
IE5 = IE && DOM;
IE4 = (document.all) ? 1 : 0;
IE4 = IE4 && IE && !DOM;

function showhidediv(nodeid){
	if ((!DOM || Opera56 || Konqueror22) && !IE4) {
		return;
	}
	if (!IE4) {
		sonLayer = document.getElementById(nodeid);
//		headerLayer = document.getElementById(nodeid+'-head');
	} else {
		sonLayer = document.all(nodeid);
//		headerLayer = document.all(nodeid+'-head');
	}
	if (sonLayer.style.display == "none") {
//		headerLayer.style.display = "none";
		sonLayer.style.display = "block";
	} else {
		sonLayer.style.display = "none";
//		headerLayer.style.display = "block";
	}
}

function showdiv(nodeid){
	if ((!DOM || Opera56 || Konqueror22) && !IE4) {
		return;
	}
	if (!IE4) {
		sonLayer = document.getElementById(nodeid);
	} else {
		sonLayer = document.all(nodeid);
	}

	sonLayer.style.display = "block";
}

function hidediv(nodeid){
	if ((!DOM || Opera56 || Konqueror22) && !IE4) {
		return;
	}
	if (!IE4) {
		sonLayer = document.getElementById(nodeid);
	} else {
		sonLayer = document.all(nodeid);
	}

	sonLayer.style.display = "none";

}