function pic_quer(struct_id, page_id, field_id)
{
	var x = (screen.width-595)/2
	var y = (screen.height-485)/2

	var link = 'popup_quer.php?struct_id=' + struct_id + '&page_id=' + page_id + '&field_id=' + field_id;

	   win_detail = window.open( link,"jtc_quer","toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,width=595,height=485,top=" + y + ",left=" + x)
	   win_detail.focus();
}

function pic_hoch(struct_id, page_id, field_id)
{
	var x = (screen.width-455)/2
	var y = (screen.height-620)/2
	var link = 'popup_hoch.php?struct_id=' + struct_id + '&page_id=' + page_id + '&field_id=' + field_id;

	   win_detail = window.open( link,"jtc_hoch","toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,width=455,height=620,top=" + y + ",left=" + x)
	   win_detail.focus();
}

function gallery(struct_id, page_id, field_id)
{
	var x = (screen.width-820)/2
	var y = (screen.height-520)/2
	var link = 'popup_gallery.php?struct_id=' + struct_id + '&page_id=' + page_id + '&field_id=' + field_id;

	   win_detail = window.open( link,"jtc_gallery","toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,width=820,height=520,top=" + y + ",left=" + x)
	   win_detail.focus();
}

function open_link(hyperlink)
{
	var fenster_width = (screen.width-50);
	var fenster_height = (screen.height-50);
	
 	fenster = window.open(hyperlink, "fenster1", "width=" + fenster_width + ",height=" + fenster_height + ",status=yes,scrollbars=yes,resizable=yes");
 	fenster.focus();
}