/* 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, root, redirect) {
  GB_HEIGHT = height || 400;
  GB_WIDTH = width || 400;
  if(!GB_DONE) {
	var tag  = "<div id='GB_overlay'></div>";
		tag += "<div id='GB_window'><div id='GB_caption'></div>";  	
		tag += "<div id='sair'><span><b>X</b></span></div></div>";
	
    $(document.body).append(tag);
    if(redirect !== undefined){
	    $("#GB_window #sair").click(function(){
	    	$(this).hide();
	    	window.location = redirect;
	    });
	    /*
	    $("#GB_overlay").click(function(){
	    	$(this).hide();
	    	window.location = redirect;
	    });
	    */
    }else{
    	$("#GB_window #sair").click(GB_hide);
    	$("#GB_window #sair").click(GB_hide);
    }
    $(window).resize(GB_position);
    GB_DONE = true;
  }

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

  $("#GB_caption").html(caption);
  $("#GB_overlay").show();
  GB_position();

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

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

function GB_position() {
  var de = document.documentElement;
  var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
  $("#GB_window").css({width:GB_WIDTH+"px",height:GB_HEIGHT+"px",
    left: ((w - GB_WIDTH)/2)+"px" });
  $("#GB_frame").css("height",GB_HEIGHT - 32 +"px");  
}