function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		kop_01_over = newImage("images/2010/back_act.gif");
		kop_07_over = newImage("images/2010/deelnemers_act.gif");
		kop_06_over = newImage("images/2010/voorspellingen_act.gif");
		kop_08_over = newImage("images/2010/regels_act.gif");
		kop_09_over = newImage("images/2010/archief_act.gif");
		kop_10_over = newImage("images/2010/klassementen_act.gif");
		kop_11_over = newImage("images/2010/stadion_act.gif");
		preloadFlag = true;
	}
}

 
function centreerPopUp( url, name, width, height, scrollbars ) { 
 
	if( scrollbars == null ) scrollbars = "0" 
 
	str  = ""; 
	str += "resizable=1,"; 
	str += "scrollbars=" + scrollbars + ","; 
	str += "width=" + width + ","; 
	str += "height=" + height + ","; 
	str += "location=" + "0,"; 
 
	if ( window.screen ) { 
		var ah = screen.availHeight - 30; 
		var aw = screen.availWidth - 10; 
 
		var xc = ( aw - width ) / 2; 
		var yc = ( ah - height ) / 2; 
 
		str += ",left=" + xc + ",screenX=" + xc; 
		str += ",top=" + yc + ",screenY=" + yc; 
	} 
	window.open( url, name, str ); 
}

function callJS(jsStr) { //v2.0
  return eval(jsStr)
}


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) { //v3.0

  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); 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 MM_changeProp(objName,x,theProp,theValue) { //v3.0

  var obj = MM_findObj(objName);

  if (obj && (theProp.indexOf("style.")==-1 || obj.style)) eval("obj."+theProp+"='"+theValue+"'");

}



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 doForm1() {
	var theForm = document.forms[0];
	theForm.spelerid.value = 0; 	
	theForm.submit();
}
	
function doForm2() {
	var theForm = document.forms[0];
	theForm.submit();
}
	
function doTopscore(rank, spelerid, voorspellingid) {
	var theForm = document.forms[0];
	theForm.rank.value = rank;
	theForm.spelerid.value = spelerid;
	theForm.voorspellingid.value = voorspellingid;
	theForm.submit();
}