/* ZOBRAZOVANI NAHLEDU U FOTEK */

var w=1
var h=1

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(height)
{
document.onmousemove=""
if (height < 300) 
{ document.getElementById('ttimg').src='/images/loading2.gif' }
else
{ document.getElementById('ttimg').src='/images/loading.gif' }

gettrailobj().visibility="hidden"
gettrailobj().left=-20000
gettrailobj().top=0
}


function showtrail(title,popis,width,height,file)
{
if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
{
w=width
h=height

// followmouse()

gettrailobj().visibility="visible"
gettrailobj().width=w+"px"
gettrailobj().height=h+"px"
document.getElementById('ttimg').src=file
document.onmousemove=followmouse
}
}


function followmouse(e)
{

if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
{

var xcoord=-160
var ycoord=25

if (typeof e != "undefined")
{
xcoord+=e.pageX
ycoord+=e.pageY
}
else if (typeof window.event !="undefined")
{
xcoord+=truebody().scrollLeft+event.clientX-65
ycoord+=truebody().scrollTop+event.clientY-20
}

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)

// preklapeni
// if (xcoord+w+3>docwidth) {	xcoord=xcoord-w-(-50*2)	}
// if (ycoord-truebody().scrollTop+h>truebody().clientHeight) ycoord=ycoord-h-20;

gettrailobj().left=xcoord+"px"
gettrailobj().top=ycoord+"px"

}

}