/* 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;
var isIE6 = $.browser.msie && $.browser.version == 6.0; // =(

function GB_show(caption, url, height, width) {
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;	
	GB_HEIGHT = height || 400;
	GB_WIDTH = width || 400;
	if (GB_HEIGHT > h) GB_HEIGHT = h-10;
	if(!GB_DONE) {
		$(document.body)
		  .append("<div id='GB_overlay'></div><div id='GB_window'><div id='GB_caption'></div>"
			+ "<img src='/media/icones/close.png' alt='Fechar a Janela'/></div>");
		$("#GB_window img").click(GB_hide);
		$("#GB_overlay").click(GB_hide);
		$(window).resize(GB_position);
		GB_DONE = true;
	}
	
	$("#GB_frame").remove();
	$("#GB_window").append("<iframe id='GB_frame' src='"+url+"'></iframe>");
	
	$("#GB_caption").html('&nbsp;');
	$("#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 isIE6 = $.browser.msie && $.browser.version == 6.0; // =(
	$("#GB_window").css({
		width: GB_WIDTH + "px",
		height: GB_HEIGHT + "px",
		marginLeft : '-' + (GB_WIDTH / 2) + 'px',
		marginTop : '-' + GB_HEIGHT / 2 + 'px',		
		left : '50%',
		top : !isIE6 ? '50%' : $(window).scrollTop() + ($(window).height() / 2) + 'px'
	});
	$("#GB_frame").css("height",GB_HEIGHT - 32 +"px");
}