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_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_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];}
}

function window_Y() {
	var viewportwidth;
	var viewportheight;
	
	// the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight
	
	if (typeof window.innerWidth != 'undefined')
	{
	  viewportwidth = window.innerWidth,
	  viewportheight = window.innerHeight
	}
	
	// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)
	
	else if (typeof document.documentElement != 'undefined'
	 && typeof document.documentElement.clientWidth !=
	 'undefined' && document.documentElement.clientWidth != 0)
	{
	   viewportwidth = document.documentElement.clientWidth,
	   viewportheight = document.documentElement.clientHeight
	}
	
	// older versions of IE
	
	else
	{
	   viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
	   viewportheight = document.getElementsByTagName('body')[0].clientHeight
	}
	//alert(viewportheight);
	return viewportheight;
}

function project_Y() {
	var viewportheight;
	
	viewportheight = document.getElementById('ProjectDetails').clientHeight
	
	//alert(viewportheight);
	return viewportheight;
}

function findPosX(obj)
{
var curleft = 0;
if(obj.offsetParent)
    while(1) 
    {
      curleft += obj.offsetLeft;
      if(!obj.offsetParent)
        break;
      obj = obj.offsetParent;
    }
else if(obj.x)
    curleft += obj.x;
return curleft;
}

function findPosY(obj)
{
var curtop = 0;
if(obj.offsetParent)
    while(1)
    {
      curtop += obj.offsetTop;
      if(!obj.offsetParent)
        break;
      obj = obj.offsetParent;
    }
else if(obj.y)
    curtop += obj.y;
return curtop;
}

function set_footer_pos() {
	var obj 	= document.getElementById('Footer');
	var adder	= 100px;
	var dHeight	= project_Y();
	var minimum	= 50;
	var x		= dHeight - minimum + adder;
	
	obj.style.top = x;
	//obj.style.left = y;
}

function set_footer_height() {
	var Foot	= document.getElementById('Footer');
	var Y_pos	= findPosY(Foot)
	var Max_Y	= window_Y();
	var minimum	= 50;
	
	//if (Max_Y <= (project_Y()-50)) {
	//	var newH	= project_Y() + minimum;
	//} else {
		var newH	= Max_Y - Y_pos - minimum;
	//}
	
	if (newH<=0) {
		var newH	= 50;
	} else {
		var newH	= newH + 49;
	}
	
	Foot.style.height = newH + 'px';
}

function set_project_height() {
	var Thumbs	= document.getElementById('Thumbs');
	var hoogte	= Thumbs.offsetHeight;
	ProjectMain.style.height = hoogte + 50 + 'px';
}