/************************************************************************************************************
Ajax tooltip
Copyright (C) 2006  DTHMLGoodies.com, Alf Magne Kalleland

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

Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.

Alf Magne Kalleland, 2006
Owner of DHTMLgoodies.com
	
************************************************************************************************************/	




/* 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;


function ajax_showTooltip(e,externalFile,inputObj) 
{ 

   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'; 
       
      if(ajax_tooltip_MSIE){   /* Create iframe object for MSIE in order to make the tooltip cover select boxes */ 
         ajax_tooltipObj_iframe = document.createElement('<IFRAME frameborder="0">'); 
         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){ 
      var leftPos = (ajaxTooltip_getLeftPos(inputObj) + inputObj.offsetWidth); 
      var topPos = ajaxTooltip_getTopPos(inputObj); 
   }else{       
      var leftPos = e.clientX+30; 
      var topPos = e.clientY + Math.max(document.body.scrollTop,document.documentElement.scrollTop); 
   } 
   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;
}