/* Custom variables */

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

/* Don't change anything below here */


var atObj = false;
var atObj_iframe = false;

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

/*
function ajax_showTooltip(externalFile,inputObj,leftShift)
{
	ajax_showTooltip(externalFile,inputObj,-1)
}
*/

function ajax_showTooltip(externalFile,inputObj,leftShift)
{
	if(!atObj)	/* Tooltip div not created yet ? */
	{
		atObj = document.createElement('DIV');
		atObj.style.position = 'absolute';
		atObj.id = 'atObj';
		atObj.style.zIndex = "200"; 
		document.body.appendChild(atObj);


		var leftDiv = document.createElement('DIV');	/* Create arrow div */
		leftDiv.className='at_arrow';
		leftDiv.id = 'at_arrow';
		atObj.appendChild(leftDiv);

		var contentDiv = document.createElement('DIV'); /* Create tooltip content div */
		contentDiv.className = 'at_content';
		atObj.appendChild(contentDiv);
		contentDiv.id = 'at_content';

		if(at_MSIE){	/* Create iframe object for MSIE in order to make the tooltip cover select boxes */
			atObj_iframe = document.createElement('<IFRAME frameborder="0">');
			atObj_iframe.style.position = 'absolute';
			atObj_iframe.border='0';
			atObj_iframe.frameborder=0;
			atObj_iframe.style.backgroundColor='#FFF';
			atObj_iframe.src = 'about:blank';
			contentDiv.appendChild(atObj_iframe);
			atObj_iframe.style.left = '0px';
			atObj_iframe.style.top = '0px';
		}


	}
	// Find position of tooltip
	atObj.style.display='block';
	//alert(externalFile);
	document.getElementById('at_content').innerHTML =externalFile;
//	ajax_loadContent('at_content',externalFile);

	if(at_MSIE){
		atObj_iframe.style.width = atObj.clientWidth + 'px';
		atObj_iframe.style.height = atObj.clientHeight + 'px';
	}

	ajax_positionTooltip(inputObj,leftShift);
}



function ajax_positionTooltip(inputObj,leftShift)
{
	var leftPos = (ajaxTooltip_getLeftPos(inputObj) + inputObj.offsetWidth -leftShift);
	var topPos = ajaxTooltip_getTopPos(inputObj);

	/*
	var rightedge=at_MSIE? document.body.clientWidth-leftPos : window.innerWidth-leftPos
	var bottomedge=at_MSIE? document.body.clientHeight-topPos : window.innerHeight-topPos
	*/
	var tooltipWidth = document.getElementById('at_content').offsetWidth +  document.getElementById('at_arrow').offsetWidth;
	// Dropping this reposition for now because of flickering
	//var offset = tooltipWidth - rightedge;
	//if(offset>0)leftPos = Math.max(0,leftPos - offset - 5);
	atObj.style.left = leftPos + 'px';
	atObj.style.top = topPos + 'px';
	//alert(leftPos +'  '+topPos);
}



function ajax_hideTooltip()
{
	atObj.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;
}