/* Greybox Redux
 * Required: http://jquery.com/
 * Written by: John Resig
 * Based on code by: 4mir Salihefendic (http://amix.dk)
 * License: LGPL (read more in LGPL.txt)
 */

var GB_DONE = false;
var GB_HEIGHT = 400;
var GB_WIDTH = 400;

function GB_show(caption, url, height, width, centerMe, hideCaption, hideClosebtn) {
  
  GB_HEIGHT = height || 400;
  GB_WIDTH = width || 400;
  
  // Voor center/caption hide
  centerGB = centerMe || false;
  hideCAPT = hideCaption || false;
  hideClose = hideClosebtn || false; 
  
  if(!GB_DONE) {
  	
  	$(document.body)
      .append("<div id='GB_overlay'></div><div id='GB_window'><div id='GB_caption'></div>"
       	+ "<img id='greyboxClose' src='/images/greybox/close.png' alt='Close window'/></div>");
    
    $("#GB_window img").click(GB_hide);
    $("#GB_overlay").click(GB_hide);
    $(window).resize(function(){
		GB_position(centerGB,hideCAPT);
	});
    GB_DONE = true;
  }
  
  if(hideClose) $("#greyboxClose").hide();
  else 		  	$("#greyboxClose").show();	
  
  if(hideCAPT) $("#GB_caption").hide();
  else 		   $("#GB_caption").show();	

  $("#GB_frame").remove();
  $("#GB_window").append("<iframe id='GB_frame' border='0' frameborder='0' src='"+url+"'></iframe>");

  if(!hideCAPT) $("#GB_caption").html(caption);
  
  $("#GB_overlay").show();
  $("#GB_overlay").height($(document).height());
  GB_position(centerGB,hideCAPT);

  if(GB_ANIMATION)
    $("#GB_window").slideDown("slow");
  else
    $("#GB_window").show();
}

function GB_hide() {
  $("#GB_window,#GB_overlay").hide();
}

function GB_position(centerGB,hideCAPT) {
  var de = document.documentElement;

  var h = self.innerHeight|| (de&&de.clientHeight) || document.body.clientHeight;  
  var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
  
  // Center bugfix
  var scroll = $('html,body').scrollTop();
  
  var topval = (centerGB == true) ? ((h/2) - (GB_HEIGHT/2))+scroll: "10";

  $("#GB_window").css({width:GB_WIDTH+"px",height:GB_HEIGHT+"px",
    left: ((w - GB_WIDTH)/2)+"px", top: topval+"px"});
  
   if(!hideCAPT) $("#GB_frame").css("height",GB_HEIGHT - 19 +"px");
   else 		 $("#GB_frame").css("height",GB_HEIGHT +"px");
}