// JavaScript Document for Ringel-s 

function hoogtes(laag) {
	var totalehoogte = pageHeight();
	if (totalehoogte<580) { 
		totalehoogte=580;
		document.body.style.height=(totalehoogte-30) + "px";
	}
	var contenthoogte = (totalehoogte-350);
	if (contenthoogte<230) { contenthoogte=230; }
	var footermargin = (totalehoogte-150);
	if (footermargin<425) { footermargin=425; }
	document.getElementById('home').style.height=(totalehoogte-30) + "px";
	document.getElementById('navi').style.height=(contenthoogte-60) + "px";
	document.getElementById('footer-left').style.top=(footermargin-80) + "px";
	if (laag == "home") {
		document.getElementById('page').style.height=contenthoogte + "px";
		document.getElementById('footer-right').style.top=footermargin + "px";
	}
	if (laag == "page") {
		document.getElementById('page').style.height=(contenthoogte+120) + "px";
	}
	//alert('totale hoogte =' + totalehoogte + '\n footermargin =' + footermargin + '\n contenthoogte =' + contenthoogte + '\n pageHeight =' + pageHeight());
	return;
}



function pageHeight() {
	return window.innerHeight != null? window.innerHeight: document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight:document.body != null? document.body.clientHeight:null;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}