var leaveopen = false;



function openImage(imgageid) {

	leaveopen = true;

	var p = $("img_popup");

	var e = $("img_popup_exit");

	var o = $("overlay_black");

	e.show();

	o.show();

	return false;

}



function closeImage() {

	leaveopen = false;

	var p = $("img_popup");

	var e = $("img_popup_exit");

	var o = $("overlay_black");

	p.hide();

	e.hide();

	o.hide();

	return false;

}



function showImage(imgageid) {

	

	if (leaveopen == false) {

		

		var p_width = 264 - 13;

		var p_height = 446;

		

		var i = $(imgageid);

		var ih = i.getDimensions().height;

		var io = i.viewportOffset();
		
		var ihref = i.readAttribute('href');

		

		var left = io["left"] - p_width;

		var top  = io["top"]  - p_height + ih - 1;

		

		if (top <= 0) { top = 10 }

		

		var c = $("content_div").viewportOffset()["left"]

		

		var text = i.readAttribute("popuptext");

		//var img  = imgageid + "_full.jpg";
		var img  = ihref;
		

		

		var p = $("img_popup");

		p.show();

		p.setStyle({

			"left":  left + "px", 

			"top":   top + "px",

			"width": p_width + "px",

			"height": p_height + "px"

		});

		$("img_popup_img").update("<img src=\"images/galerie/"+img+"\" />");

		$("img_popup_text").update(text);

	

	}

	

	return false;

}



function hideImage(imgageid) {

	

	if (leaveopen == false) {

		

		var p = $("img_popup");

		p.hide();

	

	}

	

	return false;

}