/*
* (C) www.dhtmlgoodies.com, October 2005
* This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	
* Updated:	
*	March, 11th, 2006 - Fixed positioning of tooltip when displayed near the right edge of the browser.
*	April, 6th 2006, Using iframe in IE in order to make the tooltip cover select boxes.
* Terms of use:
* You are free to use this script as long as the copyright message is kept intact. However, you may not
* redistribute, sell or repost it without our permission.
* Thank you!
* www.dhtmlgoodies.com
* Alf Magne Kalleland
*/	
var dhtmlgoodies_tooltip = false;
var dhtmlgoodies_tooltipShadow = false;
var dhtmlgoodies_shadowSize = 4;
var dhtmlgoodies_tooltipMaxWidth = 200;
var dhtmlgoodies_tooltipMinWidth = 100;
var dhtmlgoodies_iframe = false;
var tooltip_is_msie = (navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('opera')==-1 && document.all)?true:false;
function showTooltip(e,tooltipTxt)
{

	var bodyWidth = Math.max(document.body.clientWidth,document.documentElement.clientWidth) - 20;
	if(!dhtmlgoodies_tooltip){
		dhtmlgoodies_tooltip = document.createElement('div');
		dhtmlgoodies_tooltip.id = 'dhtmlgoodies_tooltip';
		dhtmlgoodies_tooltipShadow = document.createElement('div');
		dhtmlgoodies_tooltipShadow.id = 'dhtmlgoodies_tooltipShadow';
		document.body.appendChild(dhtmlgoodies_tooltip);
		document.body.appendChild(dhtmlgoodies_tooltipShadow);	
		if(tooltip_is_msie){
			dhtmlgoodies_iframe = document.createElement('IFRAME');
			dhtmlgoodies_iframe.frameborder='5';
			dhtmlgoodies_iframe.style.backgroundColor='#ffffff';
			dhtmlgoodies_iframe.src = '#'; 	
			dhtmlgoodies_iframe.style.zIndex = 100;
			dhtmlgoodies_iframe.style.position = 'absolute';
			document.body.appendChild(dhtmlgoodies_iframe);
		}
	}
	
	dhtmlgoodies_tooltip.style.display='block';
	dhtmlgoodies_tooltipShadow.style.display='block';
	if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='block';
	
	var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
	if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0; 
	var leftPos = e.clientX + 10;
	
	dhtmlgoodies_tooltip.style.width = null;	// Reset style width if it's set 
	dhtmlgoodies_tooltip.innerHTML = tooltipTxt;
	dhtmlgoodies_tooltip.style.left = leftPos + 'px';
	dhtmlgoodies_tooltip.style.top = e.clientY + 10 + st + 'px';

	dhtmlgoodies_tooltipShadow.style.left =  leftPos + dhtmlgoodies_shadowSize + 'px';
	dhtmlgoodies_tooltipShadow.style.top = e.clientY + 10 + st + dhtmlgoodies_shadowSize + 'px';

	if(dhtmlgoodies_tooltip.offsetWidth>dhtmlgoodies_tooltipMaxWidth){	// Exceeding max width of tooltip ?
		dhtmlgoodies_tooltip.style.width = dhtmlgoodies_tooltipMaxWidth + 'px';
	}

	var tooltipWidth = dhtmlgoodies_tooltip.offsetWidth;		
	if(tooltipWidth<dhtmlgoodies_tooltipMinWidth)tooltipWidth = dhtmlgoodies_tooltipMinWidth;

	dhtmlgoodies_tooltip.style.width = tooltipWidth + 'px';
	dhtmlgoodies_tooltipShadow.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
	dhtmlgoodies_tooltipShadow.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';		
	
	if((leftPos + tooltipWidth)>bodyWidth){
		dhtmlgoodies_tooltip.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth)) + 'px';
		dhtmlgoodies_tooltipShadow.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth) + dhtmlgoodies_shadowSize) + 'px';
	}
	
	if(tooltip_is_msie){
		dhtmlgoodies_iframe.style.left = dhtmlgoodies_tooltip.style.left;
		dhtmlgoodies_iframe.style.top = dhtmlgoodies_tooltip.style.top;
		dhtmlgoodies_iframe.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
		dhtmlgoodies_iframe.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';
	}
			
}

function hideTooltip()
{
	dhtmlgoodies_tooltip.style.display='none';
	dhtmlgoodies_tooltipShadow.style.display='none';		
	if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='none';		
}