/************************************************************************************************************
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 goToSleep(naptime){
      naptime = naptime * 1000;
      var sleeping = true;
      var now = new Date();
      var alarm;
      var startingMSeconds = now.getTime();
      while(sleeping){
         alarm = new Date();
         alarmMSeconds = alarm.getTime();
         if(alarmMSeconds - startingMSeconds > naptime){ sleeping = false; }
      }      
   }

function ajax_showTooltip(externalFile,inputObj)
{
	if(!ajax_tooltipObj)	/* Tooltip div not created yet ? */
	{
	
		if(ajax_tooltip_MSIE)
		{
			goToSleep('0.5');
		}
	
		ajax_tooltipObj = document.getElementById('ajax_tooltipObj');
		//ajax_tooltipObj = document.createElement('DIV');
		//ajax_tooltipObj.style.position = 'absolute';
		//ajax_tooltipObj.id = 'ajax_tooltipObj';		
		//document.body.appendChild(ajax_tooltipObj);

		
		var leftDiv = document.getElementById('ajax_tooltip_arrow');
		//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.getElementById('ajax_tooltip_content');
		contentDiv.style.display='block';
		
		/*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.getElementById('ifr1');
			/*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(inputObj);
}

function ajax_positionTooltip(inputObj)
{
	var leftPos = (ajaxTooltip_getLeftPos(inputObj) + document.getElementById(inputObj).offsetWidth);
	var topPos = ajaxTooltip_getTopPos(inputObj);
	
	/*
	var rightedge=ajax_tooltip_MSIE? document.body.clientWidth-leftPos : window.innerWidth-leftPos
	var bottomedge=ajax_tooltip_MSIE? document.body.clientHeight-topPos : window.innerHeight-topPos
	*/
	var tooltipWidth = document.getElementById('ajax_tooltip_content').offsetWidth +  document.getElementById('ajax_tooltip_arrow').offsetWidth; 
	// Dropping this reposition for now because of flickering
	//var offset = tooltipWidth - rightedge; 
	//if(offset>0)leftPos = Math.max(0,leftPos - offset - 5);
	
	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 tag = document.getElementById(inputObj);	
  var returnValue = tag.offsetTop+30;
  
  while((tag = tag.offsetParent) != null){
  	if(tag.tagName!='HTML')returnValue += tag.offsetTop;
  }
  //alert('Return value top '+returnValue);
  return returnValue;
}

function ajaxTooltip_getLeftPos(inputObj)
{
	var tag = document.getElementById(inputObj);

  var returnValue = tag.offsetLeft + 30;
  
  //while((inputObj = inputObj.offsetParent) != null){
  //	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft;
  
  //}
  
  //alert('return value '+returnValue);
  return returnValue;
}