function changeIt(ImageToChange, ImageToShow){
    if (document.images){ 
        document[ImageToChange].src = ImageToShow; 
    }else{
        if (document.getElementById){
            getElementById(ImageToChange).src = ImageToShow;
        }
    }
}
function ShowPopup(InfoURL,Naam,B,H,SB) 
{
	// open the popup window
	window.name = 'ImmoUnico';
	var popupURL = InfoURL;
  	var popup = window.open(popupURL,Naam,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars='+SB+',resizable=0,width='+B+',height='+H);
	// set the opener if it's not already set.  it's set automatically
	// in netscape 3.0+ and ie 3.0+.
	if( navigator.appName.substring(0,8) == "Netscape" )
	{
		popup.location = popupURL;
	}
    popup.focus();
}
function printThis()
{
	obj1  = document.getElementById("fotoreeks1");
    obj2  = document.getElementById("fotoreeks2");
    obj3  = document.getElementById("fotoreeks3");
    obj4  = document.getElementById("fotoreeks4");
    if (obj1 == "[object]") 
		{
			style1 = obj1.style;
			style1.display = 'block';
		}
    if (obj2 == "[object]") 
		{
			style2 = obj2.style;
			style2.display = 'block';
		}
    if (obj3 == "[object]") 
		{
			style3 = obj3.style;
			style3.display = 'block';
		}
    if (obj4 == "[object]") 
		{
			style4 = obj4.style;
			style4.display = 'block';
		}

	if (!window.print)
    {
		alert("You need a 4.x browser or better to use this print button!")
		return
    }
    window.print()
    if (obj2 == "[object]") {style2.display = 'none';}
    if (obj3 == "[object]") {style3.display = 'none';}
    if (obj4 == "[object]") {style4.display = 'none';}

}
function EnableOnly () {
	// Disable all controls first, only to enable one of them later on 
	document.getElementById("sTypeID").disabled=true
	document.getElementById("sLiggingID").disabled=true
	document.getElementById("dDatum").disabled=true
	document.getElementById("sPeriodeID").disabled=true
}