/************************************************************************************************************
    @fileoverview
    Ajax tooltip
    Copyright (C) 2006  Alf Magne Kalleland(post@dhtmlgoodies.com)
    
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
    
    This library 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
    Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
    
    
    www.dhtmlgoodies.com 
    Alf Magne Kalleland

************************************************************************************************************/

/* Custom variables */

/* Offset position of tooltip */
var x_offset_tooltip = 5;
var y_offset_tooltip = 0;

/* Don't change anything below here */


var ajax_tooltipObj = false;
var ajax_tooltipObj_iframe = false;

var ajax_tooltip_MSIE = false;
if(navigator.userAgent.indexOf('MSIE')>=0)ajax_tooltip_MSIE=true;



var currentTooltipObject = false;

function ajax_showTooltip(e,externalFile,inputObj)
{
    currentTooltipObject = inputObj;
    //window.onresize = function(e) { ajax_positionTooltip(e); } ;
   if(document.all)e = event;

   
    if(!ajax_tooltipObj)    /* Tooltip div not created yet ? */
    {
        ajax_tooltipObj = document.createElement('DIV');
        ajax_tooltipObj.style.position = 'absolute';
        ajax_tooltipObj.id = 'ajax_tooltipObj';        
        
        document.body.appendChild(ajax_tooltipObj);

        
        var leftDiv = document.createElement('DIV');    /* Create arrow div */
        leftDiv.className='ajax_tooltip_arrow';
        leftDiv.id = 'ajax_tooltip_arrow';
        ajax_tooltipObj.appendChild(leftDiv);
        
        var contentDiv = document.createElement('DIV'); /* Create tooltip content div */
        contentDiv.className = 'ajax_tooltip_content';
        ajax_tooltipObj.appendChild(contentDiv);
        contentDiv.id = 'ajax_tooltip_content';
        contentDiv.style.marginBottom = '15px';
        


        if(ajax_tooltip_MSIE){    /* Create iframe object for MSIE in order to make the tooltip cover select boxes */
            ajax_tooltipObj.style.cursor = 'move';
            ajax_tooltipObj_iframe = document.createElement('<IFRAME frameborder="0" scrolling="no">');
            ajax_tooltipObj_iframe.style.position = 'absolute';
            ajax_tooltipObj_iframe.border='0';
            ajax_tooltipObj_iframe.frameborder=0;
            ajax_tooltipObj_iframe.style.backgroundColor='#FFF';
            ajax_tooltipObj_iframe.src = 'about:blank';
            contentDiv.appendChild(ajax_tooltipObj_iframe);
            ajax_tooltipObj_iframe.style.left = '0px';
            ajax_tooltipObj_iframe.style.top = '0px';
        }        
    }
    // Find position of tooltip
    ajax_tooltipObj.style.display='block';
    ajax_loadContent('ajax_tooltip_content',externalFile);
    if(ajax_tooltip_MSIE){
        ajax_tooltipObj_iframe.style.width = ajax_tooltipObj.clientWidth + 'px';
        ajax_tooltipObj_iframe.style.height = ajax_tooltipObj.clientHeight + 'px';
    }

    
    ajax_positionTooltip(e,inputObj); 
}

function ajax_positionTooltip(e,inputObj)
{
    if(!inputObj)inputObj=currentTooltipObject;
    if(inputObj){
        var leftPos = (ajaxTooltip_getLeftPos(inputObj) + inputObj.offsetWidth);
        var topPos = ajaxTooltip_getTopPos(inputObj);
    }else{        
       var leftPos = e.clientX;
       var topPos = e.clientY;
    }
   var tooltipWidth = document.getElementById('ajax_tooltip_content').offsetWidth +  document.getElementById('ajax_tooltip_arrow').offsetWidth;
   ajax_tooltipObj.style.left = leftPos + 'px';
   ajax_tooltipObj.style.top = topPos + 'px';   
} 

function ajax_hideTooltip()
{
    ajax_tooltipObj.style.display='none';
}

function ajaxTooltip_getTopPos(inputObj)
{        
  var returnValue = inputObj.offsetTop;
  while((inputObj = inputObj.offsetParent) != null){
      if(inputObj.tagName!='HTML')returnValue += inputObj.offsetTop;
  }
  return returnValue;
}

function ajaxTooltip_getLeftPos(inputObj)
{
  var returnValue = inputObj.offsetLeft;
  while((inputObj = inputObj.offsetParent) != null){
      if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft;
  }
  return returnValue;
}