var isNS     = false;
var isIE     = false;

if (parseInt(navigator.appVersion) >= 4) 
{
	if (navigator.appName == "Netscape") 				isNS = true;
	else if(navigator.appName == "Microsoft Internet Explorer")	isIE = true;
}


function showItem(lyr) 
{
	if(isIE) eval("document.all."+lyr+".style.visibility='visible'");
		
	if(isNS) eval("document.layers."+lyr+".visibility='show'");  	
}


function hideItem(lyr) 
{

	if(isIE)
	{
    	eval("document.all.mitglieder.style.visibility='hidden'");
    	eval("document.all.inforecht.style.visibility='hidden'");
    	eval("document.all.news.style.visibility='hidden'");
    	eval("document.all.wir.style.visibility='hidden'");
      	eval("document.all.links.style.visibility='hidden'");
	}

	if(isNS)
	{
    	eval("document.layers.mitglieder.visibility='hide'");
    	eval("document.layers.inforecht.visibility='hide'");
    	eval("document.layers.news.visibility='hide'");
      	eval("document.layers.wir.visibility='hide'");
      	eval("document.layers.links.visibility='hide'");
	}

}

function preload(imgObj, imgSrc)
{
	if(document.images)
	{
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}

}

preload('taxionline', 'images/taxionline_logo2.jpg')
preload('grid', 'images/bg_front_grid.JPG')
preload('topbar', 'images/bg_front_top.JPG')
preload('greybar', 'images/bg_front_greybanner.JPG')
preload('kontakt', 'images/symbols/symb_kontakt.JPG')
preload('sitemap', 'images/symbols/symb_sitemap.JPG')
preload('symb_mitglieder', 'images/symbols/symb_mitglieder_big.gif')
preload('symb_inforecht', 'images/symbols/symb_info+recht_big.gif')
preload('symb_news', 'images/symbols/symb_news_big.gif')
preload('stripes', 'images/stripes.JPG')
preload('symb_wir', 'images/symbols/symb_wir_ueber_uns_big.gif')
preload('symb_links', 'images/symbols/symb_externe_links_big.gif')
preload('bottombar', 'images/bg_front_bottom_bar.JPG')