function get_w_h()
{
	var w,h;
	if (self.innerHeight) // all except Explorer
	{
		w = self.innerWidth;
		h = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight) // Explorer 6 Strict Mode
	{
		w = document.documentElement.clientWidth;
		h = document.documentElement.clientHeight;
	}
	else if (document.body) // other Explorers
	{
		w = document.body.clientWidth;
		h = document.body.clientHeight;
	}
	if (w > 1024)
	{
		//alert(window.screen.width);
		x=(w-1024)/2;
		//if (navigator.appName.indexOf("Explorer") != -1) x-=11;
	}
	else x=0;
	return x;
}

function layer_oben_zentrieren()
{
	x=get_w_h();
	document.getElementById("pic1").style.left=x+'px';
	document.getElementById("pic2").style.left=x+'px';
}

function layer_shortcut_bg_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_shortcut_bg").style.left=x+'px';
}

function layer_shortcut_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_shortcut").style.left=x+'px';
}

function layer_kreis_oben_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_kreis_oben").style.left=x+'px';
}

function layer_links_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_links").style.left=x+'px';
}

function layer_mitte_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_mitte").style.left=x+150+'px';
}

function layer_rechts_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_rechts").style.left=x+850+'px';
}

function layer_inhalt_zentrieren()
{
	x=get_w_h();
	document.getElementById("layer_inhalt").style.left=x+180+'px';
}

function button_zentrieren(id,abstand)
{
	x=get_w_h();
	document.getElementById(id).style.left=x+abstand+'px';
}

function tv_logo_zentrieren()
{
	x=get_w_h();
	document.getElementById("tv_logo").style.left=x+831+'px';
}

function www_regio_zentrieren()
{
	x=get_w_h();
	document.getElementById("www_regio").style.left=x+830+'px';
}

function tr_verbund_zentrieren()
{
	x=get_w_h();
	document.getElementById("tr_verbund").style.left=x+705+'px';
}

function kleiner_bogen(ort)
{
	if (ort == 0)
	{
		document.getElementById("pic3").src="bilder/oben_bl_kl.gif";
		document.getElementById("layer_links").style.backgroundImage="url('bilder/links_bl_kl.gif')";
		document.getElementById("layer_mitte").style.backgroundImage="url('bilder/mitte_bl_kl.gif')";
	}
	else
	{
		document.getElementById("pic3").src="../bilder/oben_bl_kl.gif";
		document.getElementById("layer_links").style.backgroundImage="url('../bilder/links_bl_kl.gif')";
		document.getElementById("layer_mitte").style.backgroundImage="url('../bilder/mitte_bl_kl.gif')";
	}
}

function kleiner_bogen2(ort)
{
	if (ort == 0)
	{
		//document.getElementById("pic3").src="bilder/oben_bl_kl2.gif";
		document.getElementById("layer_links").style.backgroundImage="url('bilder/links_bl_kl2.gif')";
		document.getElementById("layer_mitte").style.backgroundImage="url('bilder/mitte_bl_kl2.gif')";
	}
	else
	{
		//document.getElementById("pic3").src="../bilder/oben_bl_kl.gif";
		document.getElementById("layer_links").style.backgroundImage="url('../bilder/links_bl_kl2.gif')";
		document.getElementById("layer_mitte").style.backgroundImage="url('../bilder/mitte_bl_kl2.gif')";
	}
}