//--- javascript for www.tharros.info ---

//--- ad the following line to the page
//--- <script type="text/javascript" src="tharros_intro.js"></script>
//--- date: 31 august 2008
//--- author if not indicated otherwise: T. Kriek 
//--- The tharros_intro js file contains script used for the main index page

	/*
	Simple Image Trail script- By JavaScriptKit.com
	Visit http://www.javascriptkit.com for this script and more
	This notice must stay intact
	*/
	var trailimage=["images/main/maschera.gif", 30, 35] //image path, plus width and height
	var offsetfrommouse=[-35,5] //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
	var displayduration=10 //duration in seconds image should remain visible. 0 for always.
	if (document.getElementById || document.all)
	document.write('<div id="trailimageid" style="position:absolute;visibility:visible;left:0px;top:0px;width:1px;height:1px;z-index: 100"><img src="'+trailimage[0]+'" border="0" width="'+trailimage[1]+'px" height="'+trailimage[2]+'px"><\/div>')
	/* */
	document.onmousemove=followmouse
	if (displayduration>0)
	setTimeout("hidetrail()", displayduration*10000)

function gettrailobj(){
	if (document.getElementById)
	return document.getElementById("trailimageid").style
	else if (document.all)
	return document.all.trailimagid.style
	}
function truebody(){
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}
function hidetrail(){
	gettrailobj().visibility="hidden"
	document.onmousemove=""
	}
function followmouse(e){
	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]
	if (typeof e != "undefined"){
	xcoord+=e.pageX
	ycoord+=e.pageY
	}
	else if (typeof window.event !="undefined"){
	xcoord+=truebody().scrollLeft+event.clientX
	ycoord+=truebody().scrollTop+event.clientY
	}
	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)
	if (xcoord+trailimage[1]+3>docwidth || ycoord+trailimage[2]> docheight){
	gettrailobj().display="none"}
	else {
	gettrailobj().display=""
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
	}
	}

//--- function writefoottxt(html): change text in foottextline ---

function writetextline(html){
        if (document.getElementById){
        document.getElementById("footerline").innerHTML=html}
        else{
        footerline.innerHTML=html}
      }