var ns4 = (document.layers)? true:false;   //NS 4 
var ie4 = (document.all)? true:false;   //IE 4 
var dom = (document.getElementById)? true:false;   //DOM 

function getObject(objectId) {
	if(dom){
        return document.getElementById(objectId)
    }
    else if (ie4) {    
        return document.all[objectId]
    }
    else if(ns4) {
        return document.layers[objectId]
    }
/*	if (document.all && !document.getElementById) {
		return document.all(objectId)
	} else {
		return document.getElementById(objectId)
	}*/
}

var bannerActive = true;

function loadBanner(){
	if (bannerActive == true){
		getObject("banner_img01").src = "http://www.ehg.at/bilder/BannerRESTlg.jpg";
		getObject("banner01").style.left = "450";	
		getObject("banner01").style.top = "450";	
		getObject("banner01").style.visibility = "visible";	

	}
}



function closeBanner(){
	getObject("banner01").style.visibility = "hidden";	
}