function frontAlpha(alphaContent){
	if (alphaContent == '')
		alphaContent = banner;
	
	document.getElementById('frontBanner').innerHTML = alphaContent;
}
function bildeserieMove(dir, width) 
{ 
	sidePos = document.getElementById('contentBildeserieSlider').offsetLeft;
	if (dir == "next")
	{
		limit = -width + 640;
		goTo = width-660;
		//alert( goTo);
		
		if( sidePos <= (limit+100) )
			new Effect.Move ("contentBildeserieSlider",{ x: -goTo, y: 0, duration: 0.4, mode: 'absolute'});
		else
			new Effect.Move ("contentBildeserieSlider",{ x: -640, y: 0, duration: 0.4, mode: 'relative'});
	}
	else if (dir == "prev")
	{	
		if( sidePos >= 0 )
			new Effect.Move ("contentBildeserieSlider",{ x: 0, y: 0, duration: 0.4, mode: 'absolute'});
		else
			new Effect.Move ("contentBildeserieSlider",{ x: 640, y: 0, duration: 0.4, mode: 'relative'});
	}
}