if (document.getElementById || document.all){
document.write('<div id="interactioninfo">');
document.write('</div>');
}

function gettrailobj(){
if (document.getElementById)
return document.getElementById("interactioninfo").style
else if (document.all)
return document.all.trailimagid.style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("interactioninfo")
else if (document.all)
return document.all.trailimagid
}


function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function showtrail(drug,warning,description,parenth,height){
document.onmousemove=followmouse;
interactionHTML = '';
inserisciRichiesta('/cm/ajax/ajax_glossario.asp?id='+drug,'','interactioninfo');
gettrailobj().visibility="visible";
}

function hidetrail(){
gettrailobj().visibility="hidden"
document.onmousemove=""
gettrailobj().left="-500px"
}

function followmouse(e){

var xcoord=5;
var ycoord=5;

var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(document.body.offsetHeight, window.innerHeight)

if (typeof e != "undefined"){
if (docwidth - e.pageX < 300){
xcoord = e.pageX - xcoord - 195; // Move to the left side of the cursor
} else {
xcoord += e.pageX;
}
if (docheight - e.pageY < (1)){
ycoord += e.pageY - Math.max(0,(1 + e.pageY - docheight - truebody().scrollTop));
} else {
ycoord += e.pageY;
}

} else if (typeof window.event != "undefined"){
if (docwidth - event.clientX < 300){
xcoord = event.clientX + truebody().scrollLeft - xcoord - 195; // Move to the left side of the cursor
} else {
xcoord += truebody().scrollLeft+event.clientX
}
if (docheight - event.clientY < (1)){
ycoord += event.clientY + truebody().scrollTop - Math.max(0,(1 + event.clientY - docheight));
} else {
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)

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

}