//preload billeder
var imgPlus = new Image;
var imgMinus = new Image;

imgMinus.src = '/images/ikon-dclose.gif';
imgPlus.src = '/images/ikon-dnone.gif';


function Expand(strId, strImg){
	if (document.all){
		if (strId.style.display == 'none'){
			strId.style.display = '';
			strImg.src = imgMinus.src;
		}else{
			strId.style.display = 'none';
			strImg.src = imgPlus.src;
		}
	}
}