function openList(listName) {
	var element = document.getElementById(listName);
	var status = 0;
	if (element.style.display == 'none') {
		// open list
		element.style.display = '';
		status = 1
	}
	else {
		// close list
		element.style.display = 'none';
	}
	return true;
}


function start() {

	listName = new Array("ie","welt1");
	for (var i = 0; i < listName.length ; ++i)
	{
		var element = document.getElementById(listName[i]);
		if (1)
		{
			var status = 0;
			if (element.style.display == 'none') {
				// open list
				element.style.display = '';
				status = 1
			}
			else {
				// close list
				element.style.display = 'none';
			}
		}
	}

	return true;
}


var dom			= document.getElementById ? 1 : 0;
var ie			= document.all ? 1 : 0;
var mac			= (navigator.userAgent.indexOf("Mac") > -1) ? 1 : 0;
var ieReal		= (ie && (!mac) && ( typeof(window.offscreenBuffering) != 'undefined') ) ? 1 : 0;
var isActiveX	= ieReal;
var isSp2		= ieReal && (window.navigator.userAgent.indexOf("SV1") != -1);

function changeOpacity(obj, opacity) 
{
	if(ieReal) 
	{
		obj.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + (opacity * 100) + ')';
	}else if(dom) 
	{
		obj.style.MozOpacity = opacity;
	}
}