Informatika és tudomány

IWimv2m.jpg
  • geo91
    #983
    <SCRIPT type=text/javascript>

    /*
    Simple Image Trail script- By JavaScriptKit.com
    Visit http://www.javascriptkit.com for this script and more
    This notice must stay intact
    */

    var trailimage=["http://www.sg.hu/forumkepek/2009_05/AwesomeSmileySmall_2.png", 50, 50] //image path, plus width and height
    var offsetfrommouse=[20,-20] //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
    var displayduration=0 //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"><img src="'+trailimage[0]+'" border="0" width="'+trailimage[1]+'px" height="'+trailimage[2]+'px"></div>')

    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"
    }

    document.onmousemove=followmouse

    if (displayduration>0)
    setTimeout("hidetrail()", displayduration*1000)

    </SCRIPT>