Download tooltip with shadow

Put this into your <HEAD> section

	<style type="text/css">
	/* YOU CAN REMOVE THIS PART */
	body{
		background-image:url('../../images/heading3.gif');
		background-repeat:no-repeat;
		padding-top:85px;	
		font-family: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif;
		font-size:0.9em;
		line-height:130%;

	}
	h1{
		line-height:130%;
	}
	a{
		color: #D60808;
		text-decoration:none;
		font-weight:bold;
	}
	a:hover{
		border-bottom:1px dotted #317082;
		color: #307082;
	}
   		
	/* END PART YOU CAN REMOVE */
	
	
	#dhtmlgoodies_tooltip{
		background-color:#EEE;
		border:1px solid #000;
		position:absolute;
		display:none;
		z-index:20000;
		padding:2px;
		font-size:0.9em;
		-moz-border-radius:6px;	/* Rounded edges in Firefox */
		font-family: "Trebuchet MS", "Lucida Sans Unicode", Arial, sans-serif;
		
	}
	#dhtmlgoodies_tooltipShadow{
		position:absolute;
		background-color:#555;
		display:none;
		z-index:10000;
		opacity:0.7;
		filter:alpha(opacity=70);
		-khtml-opacity: 0.7;
		-moz-opacity: 0.7;
		-moz-border-radius:6px;	/* Rounded edges in Firefox */
	}
	</style>
	<SCRIPT type="text/javascript">
	/************************************************************************************************************
	(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';		
	}
	
	</SCRIPT>

Put this into your <BODY> section

<h1>Roll your mouse over the links in the text below</h1>	
<P>Splendida porro oculi <a href="#" onmouseout="hideTooltip()" onmouseover="showTooltip(event,'This is a tooltip with a transparent shadow effect. Can you see the letters underneath the shadow?');return false">Roll over me</a> uitantque tueri. Splendida porro oculi fugitant uitantque tueri. 
</P>
<P>Sol etiam caecat, contra si tendere pergas propterea quia uis magnast ipsius. Lurida <a href="#" onmouseout="hideTooltip()" onmouseover="showTooltip(event,'This script works in both IE and Firefox. It also works in Opera, but that browser doesn\'t support CSS opacity, so the shadow won\'t be transparent');return false">Roll over me too!</a> quaequmque tuentur arquati, quia luroris de corpore eorum semina multa fluent. Splendida porro oculi fugitant uitantque tueri. Et alte aera per purrum grauiter simulacra feruntur. Praeterea splendor quiqumque est acer adurit saepe oculos. Et alte aera per purrum grauiter simulacra feruntur. Sol etiam caecat, contra si tendere pergas propterea quia uis magnast ipsius. Lurida praeterea fiunt quaequmque tuentur arquati, quia luroris de corpore eorum semina multa fluent. Splendida porro oculi fugitant uitantque tueri. Sol etiam caecat, contra si tendere pergas propterea quia uis magnast ipsius. Et alte aera per purrum grauiter simulacra feruntur.
</P>