/**
* This file is part of the Easy-CMS project.
* Easy-CMS is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 
* Easy-CMS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with Easy-CMS; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/**
* This file contains scripts used by the easy-CMS user-interface.
*
*/


function openWindow(url, width, height, options) {
  var top  = (screen.height-height)/2;
  var left = (screen.width-width)/2;
  window.open(url,'','top='+top+',left='+left+',width='+width+',height='+height+','+options);
}

function launchPageEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_page&mode=ask_modif_page&'+vars,540, 600, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchPageDeletionWindow(vars) {
  openWindow('index.php?'+'display=edit_page&mode=ask_delete_page&'+vars,380, 280, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchContainersListEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_containers_list&mode=ask_modif_containers_list&'+vars,540, 600, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchMenuEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_menu&mode=ask_modif_menu&'+vars,540, 600, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchContainerEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_container&mode=ask_modif_container&'+vars,540, 600, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchContainerDeletionWindow(vars) {
  openWindow('index.php?'+'display=edit_container&mode=ask_delete_container&'+vars,380, 280, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchContentEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_content&mode=ask_modif_content&'+vars,540, 600, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchContentDeletionWindow(vars) {
  openWindow('index.php?'+'display=edit_content&mode=ask_delete_content&'+vars,380, 280, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchLogonWindow() {
  openWindow('logon.php?'+'mode=ask_logon',250, 200, 'scrollbars=no,menubar=no,resizable=no,toolbar=no,location=no,status=no');
}

function launchChooseFileWindow(vars) {
  openWindow('choose_file.php?'+'mode=ask_choose_file&'+vars,400, 420, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchRenameFileWindow(vars) {
  openWindow('rename_file.php?'+'mode=ask_rename_file&'+vars,300, 200, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchDeleteFileWindow(vars) {
  openWindow('delete_file.php?'+'mode=ask_delete_file&'+vars,300, 150, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchChoosePageWindow(vars) {
  openWindow('choose_page.php?'+'mode=ask_choose_page&'+vars,250, 300, 'scrollbars=no,menubar=no,resizable=yes,toolbar=no,location=no,status=no');
}

function launchCreateNodeWindow(vars) {
  openWindow('create_node.php?'+'mode=ask_create&'+vars,300, 150, 'scrollbars=no,menubar=no,resizable=no,toolbar=no,location=no,status=no');
}


/**
* Functions for displaying/hiding properties menus.
*
*/

var easyCMS_mouseX = 0;
var easyCMS_mouseY = 0;


var easyCMS_propertiesMenuOldId = null;


function easyCMS_getClientHeight() {
	var easyCMS_clientHeight = 0;
	if( typeof( window.innerHeight ) == 'number' ) {
		//Non-IE
		easyCMS_clientHeight = window.innerHeight;
	} 
	else if( document.documentElement && document.documentElement.clientHeight ) {
		//IE 6+ in 'standards compliant mode'
		easyCMS_clientHeight = document.documentElement.clientHeight;
	} 
	else if( document.body && document.body.clientHeight ) {
		//IE 4 compatible
		easyCMS_clientHeight = document.body.clientHeight;
	}
	return easyCMS_clientHeight;
}


function easyCMS_getClientWidth() {
	var easyCMS_clientWidth = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		easyCMS_clientWidth = window.innerWidth;
	} 
	else if( document.documentElement && document.documentElement.clientWidth ) {
		//IE 6+ in 'standards compliant mode'
		easyCMS_clientWidth = document.documentElement.clientWidth;
	} 
	else if( document.body && document.body.clientWidth ) {
		//IE 4 compatible
		easyCMS_clientWidth = document.body.clientWidth;
	}
	return easyCMS_clientWidth;
}


function easyCMS_getScrollTop() {
	var y;
	if (self.pageYOffset) {
		// all except Explorer
		y = self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop) {
		// Explorer 6 Strict
		y = document.documentElement.scrollTop;
	}
	else if (document.body) {
		// all other Explorers
		y = document.body.scrollTop;
	}
	return y;
}


function easyCMS_getScrollLeft() {
	var x;
	if (self.pageXOffset) {
		// all except Explorer
		x = self.pageXOffset;
	}
	else if (document.documentElement && document.documentElement.scrollLeft) {
		// Explorer 6 Strict
		x = document.documentElement.scrollLeft;
	}
	else if (document.body) {
		// all other Explorers
		x = document.body.scrollLeft;
	}
	return x;
}




function getParentWidth(id) {
	var d = document.getElementById(id);
	var width = 0;
	
	while(!width) {

		if(d.parentNode) {
			d = d.parentNode;
			width = d.offsetWidth;
		}
		else {
			if(d.parentElement) {
				d = d.parentElement;
				width = d.offsetWidth;				
			}
			else {
				break;
			}
		}
	}

	return width;
}


function adjustContainersLists() {
	var parentWidth = getParentWidth('innerFrame_containerList_1');
	var d = document.getElementById('innerFrame_containerList_1');
	var width = parentWidth-10;
	d.style.width = width + 'px';

}

function easyCMS_showPropertiesMenu(id){
	var posTop  = easyCMS_mouseY;
	var posLeft = easyCMS_mouseX;
	
	var d = document.getElementById(id);	
	
	if (d) {
		easyCMS_hidePropertiesMenu();
		easyCMS_propertiesMenuOldId = id;
		
		d.style.display = "block";
		
		if( (easyCMS_getClientWidth()-(easyCMS_mouseX-easyCMS_getScrollLeft())) < 160) {
			posLeft = easyCMS_mouseX-d.offsetWidth;
		}		
		if( (easyCMS_getClientHeight()-(easyCMS_mouseY-easyCMS_getScrollTop())) < 100) {
			posTop = easyCMS_mouseY-d.offsetHeight;
		}		

		d.style.left = posLeft + 'px';
		d.style.top  = posTop + 'px';

	}
}

function easyCMS_hidePropertiesMenu(){
	if(easyCMS_propertiesMenuOldId) {
			var d = document.getElementById(easyCMS_propertiesMenuOldId);
			easyCMS_propertiesMenuOldId = null;
			d.style.display = "none";			
	}
}


var easyCMS_propertySheetOldId = -1;


function easyCMS_showPropertySheet(id){
	var d = document.getElementById(id);
	if (d) {
		easyCMS_hidePropertySheet(easyCMS_propertySheetOldId);
		d.style.display = 'block';
		easyCMS_propertySheetOldId = id;
	}
}

function easyCMS_hidePropertySheet(id){
	if(id != -1) {
		var d = document.getElementById(id);
		d.style.display = 'none';
	}
}


/**
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*/

/**
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */


/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}











function Browser() {

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isNS    = false;  // Netscape
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();


function getPageOffsetLeft(el) {
  var x;

  // Return the x coordinate of an element relative to the page.

x = 0;

  x = el.offsetLeft;
if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {
  var y;

  // Return the x coordinate of an element relative to the page.
  y = el.offsetTop;

  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

  return y;
}

function getX(id) {
    var e = document.getElementById ? document.getElementById(id) : document.all ? document.all[id] : document.layers[id];
    if(e) {
    	x = getPageOffsetLeft(e);
	// adjust position for IE
	if (browser.isIE) {
	    x += e.offsetParent.clientLeft;
	}
    }
    else {
    	x = 0;
    }
    return x;
}

function getY(id) {
    var e = document.getElementById ? document.getElementById(id) : document.all ? document.all[id] : document.layers[id];
    if(e) {
	    y = getPageOffsetTop(e) + e.offsetHeight;
	    // adjust position for IE
	    if (browser.isIE) {
	        y += e.offsetParent.clientTop;
	    }
	    y += 4;
    }
    else {
    	y = 0;
    }
    return y;
}








function easyCMS_updateMouseX(e) {
	if (!e) {
		e = window.event; 
	}
	if (e.pageX) {
		return e.pageX; 
	}
	else {
		if (e.clientX) {
			return e.clientX + easyCMS_getScrollLeft();
		}		
	}
	return 0;
} 

function easyCMS_updateMouseY(e) {
	if (!e) {
		e = window.event; 
	}
	if (e.pageY) {
		return e.pageY;
	}
	else {
		if (e.clientY) {
			return e.clientY + easyCMS_getScrollTop(); 
		}
	}
	return 0;
} 
	
function easyCMS_updateMousePosition(e) {
	if (document.getElementById) {
		easyCMS_mouseX = parseInt(easyCMS_updateMouseX(e));  
		easyCMS_mouseY = parseInt(easyCMS_updateMouseY(e));
	}
} 
	
if (!browser.isIE) {
	document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = easyCMS_updateMousePosition;





// blocks event cascading 
function cancelBubble(netEvent) {
	if (document.all) {
	    window.event.cancelBubble = true;
	} 
	else {
	    netEvent.cancelBubble = true;
	}
}

function DynamicMenu_addButton(strName, strURL, strImg) {
	var strTemp = '<a class="menuItem" href="' + strURL + '"'
		    + ' onClick="javascript:cancelBubble(arguments[0]); easyCMS_hidePropertiesMenu();">' 
		    + '<img src="' + strImg + '" /><div class="itemTitle">' + strName + '</div></a>';

	this.div.innerHTML += strTemp;
}

// dynamic properties menu object definition 
function PropertiesMenu(name) {
	var id = name;
	
	divRoot = document.getElementById('easy-CMS_contextMenusLayer');
	
	divRoot.innerHTML += '<div id="' + id + '" class="easy-CMS_UI_Style_propertiesMenu" style="left: -1000px;"></div>';

	this.div = document.getElementById(id);
	this.currentChild = null;
	
	this.addButton = DynamicMenu_addButton;
}