function popUp(picture, w, h) {
	 var breedte = w;
	 var hoogte = h;
	 
	 var features =
	 	'scrollbars=' + 'no' +
		',status=' + 'no' + 
 		',width=' + breedte +
		',height=' + hoogte;
		
     window.open(picture, 'myWindow', features);
}

function expandingWindow(website) {

	var heightspeed = 2; // vertical scrolling speed (higher = slower)
	var widthspeed = 10;  // horizontal scrolling speed (higher = slower)
	var leftdist = 75;    // distance to left edge of window
	var topdist = 75;     // distance to top edge of window

	var winwidth = 750;
	var winheight = 525;

	var sizer = window.open("","","left=" + leftdist + ",top=" + topdist + ",width=1,height=1,scrollbars=yes");

	for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) {
		sizer.resizeTo("1", sizeheight);
	}

	for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) {
		sizer.resizeTo(sizewidth, sizeheight);
	}

	sizer.location = website;
}