function clearfield(id){
	if(id=='name' && document.getElementById(id).value=='Name'){
		document.getElementById(id).value='';
	}
	if(id=='email' && document.getElementById(id).value=='eMail'){
		document.getElementById(id).value='';
	}
	if(id=='number' && document.getElementById(id).value=='Zahl wiederholen'){
		document.getElementById(id).value='';
	}
	if(id=='text' && document.getElementById(id).value=='Kommentar'){
		document.getElementById(id).value='';
	}
}



function restorefield(id){
	if(id=='name' && document.getElementById(id).value==''){
		document.getElementById(id).value='Name';
	}
	if(id=='email' && document.getElementById(id).value==''){
		document.getElementById(id).value='eMail';
	}
	if(id=='number' && document.getElementById(id).value==''){
		document.getElementById(id).value='Zahl wiederholen';
	}
	if(id=='text' && document.getElementById(id).value==''){
		document.getElementById(id).value='Kommentar';
	}
}

function backtotop()
{
	offset=window.pageYOffset;
	if(document.documentElement.scrollTop) offset=document.documentElement.scrollTop; // MSIE
	one(offset);
}

function one(offset)
{
	new_offset=Math.abs(Math.floor(offset/3*2));
	window.scrollTo(0,new_offset);
	if(new_offset>0) two(new_offset);	
}

function two(offset)
{
	setTimeout("one("+offset+")",10);
}


function show_news(id)
{
	Effect.SlideDown('News_'+id, { duration: 0.5 });
}


function hide_news(id)
{
	Effect.Fade('News_'+id, { duration: 0.3 });
}


function top_swap_1(id)
{
	$('top_'+id).morph('background:#000; color:#CCC;', { duration:0.35 });
}


function top_swap_2(id)
{
	$('top_'+id).morph('background:#fff; color:#333;', { duration:0.35, delay:0.35 });
}


function newsfadein(id)
{
	objects = $(id).childElements();
	$(objects[0]).morph('opacity:0.7', { duration:0.35 });
	$(objects[2]).morph('opacity:0.99', { duration:0.5 });
}


function newsfadeout(id)
{
	objects = $(id).siblings();
	$(id).morph('opacity:0', { duration:0.5, delay:0.5 });
	$(objects[0]).morph('opacity:0', { duration:0.35, delay:0.5 });
}


function explorerfadein(id)
{
	objects = $(id).childElements();
	$(objects[0]).morph('opacity:0', { duration:0.35 });
	$(objects[1]).morph('opacity:0.9', { duration:0.5 });
}


function explorerfadeout(id)
{
	objects = $(id).siblings();
	$(id).morph('opacity:0', { duration:0.5, delay:0.5 });
	$(objects[0]).morph('opacity:0.9', { duration:0.35, delay:0.5 });
}


function show_entrance(id)
{
	Effect.Appear('entrance_'+id, { duration: 0.5 });
}


function hide_entrance(id)
{
	Effect.Fade('entrance_'+id, { duration: 0.5, delay:0.5 });
}


function go_url(url)
{
	document.location=url;
}