var fensterbreite,fensterhoehe;

if (self.innerHeight) // alle außer Explorer
{
 fensterbreite = self.innerWidth;
 fensterhoehe = self.innerHeight;
}
else if (document.documentElement && document.documentElement.clientHeight)
 // Explorer 6 Strict Mode
{
 fensterbreite = document.documentElement.clientWidth;
 fensterhoehe = document.documentElement.clientHeight;
}
else if (document.body) // andere Explorer
{
 fensterbreite = document.body.clientWidth;
 fensterhoehe = document.body.clientHeight;
}

intScreenHeight = screen.availHeight;
intScreenWidth = screen.availWidth;

//alert(fensterbreite + ' ' + fensterhoehe + '\n' + intScreenWidth + ' ' + intScreenHeight );

function vSetBackground()
{
	
	strNewXpos = (fensterbreite - intScreenWidth)/2; 

	document.getElementsByTagName('body')[0].style.backgroundPosition = strNewXpos + 'px 250px';
	document.getElementsByTagName('body')[0].style.backgroundImage = 'url(../images/common/bg_stern_sp.jpg)';
}

function vHideContent(pstrContentId)
{
	document.getElementById(pstrContentId).style.display = "none";
	document.getElementById("contentswitch").innerHTML = "<a href=\"javascript:vShowContent('hiddencontent');\" class=\"arrowright\">Bericht weiter lesen</a>";
}

function vShowContent(pstrContentId)
{
	
	document.getElementById(pstrContentId).style.display = "block";
	document.getElementById("contentswitch").innerHTML = "<a href=\"javascript:vHideContent('hiddencontent');\" class=\"arrowup\">weiteren Bericht schließen</a>";
}