/* layerpopup js functies*/

/* verberg de popup */
function popup_close(obj_id)
{
	var obj_popup = document.getElementById(obj_id);
	var links = document.getElementById('content_left');
	var rechts = document.getElementById('content_right');

	if (obj_popup.className.indexOf(' hidden') < 0)
	{
		obj_popup.className+=' hidden';
		links.style.display = 'block';
		rechts.style.display = 'block';

		var i = 2;
		var knop = document.getElementById('kop_tab_'+i);
		while (knop)
		{
			knop.style.visibility = 'visible';
			i++;
			knop = document.getElementById('kop_tab_'+i);
		}
	}
}

/* weergeven popup */
function popup_display(obj_id)
{
	var obj_popup = document.getElementById(obj_id);
	var links = document.getElementById('content_left');
	var rechts = document.getElementById('content_right');

	if(obj_popup.className.indexOf(' hidden') > 0)
	{
		obj_popup.className = obj_popup.className.replace(' hidden','');
		links.style.display = 'none';
		rechts.style.display = 'none';

		var i = 2;
		var knop = document.getElementById('kop_tab_'+i);
		while (knop)
		{
			knop.style.visibility = 'hidden';
			i++;
			knop = document.getElementById('kop_tab_'+i);
		}
	}
}

/* formaat van popup aanpassen*/
function scale_popup()
{
	var screen_size = getInnerSize();
	screen_size.y = screen_size.y-108; //200;
	document.getElementById('popup_name').style.height = screen_size.y+'px';

	if(document.getElementById('popup_content_iframe'))
	{
		document.getElementById('popup_content_iframe').style.height = screen_size.y+'px';
	}

	if(document.getElementById('popup_content_div'))
	{
		document.getElementById('popup_content_div').style.height = screen_size.y+'px';
	}

	popup_display('popup_name');
}