var pop = null;

function popdown() {
  if (pop && !pop.closed) pop.close();
}

function showroute(startaddress, finishaddress){
  
  	if(startaddress.length < 4){
		alert('Bitte geben sie Ihre Startadresse ein');
	}else{
	 	var url = 'http://maps.google.de/maps?saddr=' + startaddress + '&daddr=' + finishaddress + '&pw=2';
		popdown();
		pop = window.open(url,'','width=800,height=700,status=yes,scrollbars=yes,resizable=yes');
		return (pop) ? false : true;
  }
}

window.onunload = popdown;
window.onfocus = popdown;
/*
function showroute(startaddress, finishaddress){
	
	if(startaddress.length < 4){
		alert('Bitte geben sie Ihre Startadresse ein');
	}else{
		url = 'http://maps.google.de/maps?saddr=' + startaddress + '&daddr=' + finishaddress + '&pw=2';
		fenster = window.open(url, "Route zu Hotelsax", "");
		fenster.focus();
	}
}
	*/
var offsetfrommouse=[10,10]; //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.
var currentimageheight = 270;	// maximum image size.

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

function getDrivingObject(){
	if (document.getElementById)
	return document.getElementById("drivingshowroute");
	else if (document.all)
	return document.all.trailimagid	;		
}

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

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

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


function showtrail(htmlcode){ //onmouseover

	document.onmousemove=followmouse;
	
//	alert('bin drin');
	newHTML = '<div style="padding: 5px; border: 1px solid black;">';
	newHTML = newHTML + htmlcode;
	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";

}

// newHTML schließen(onmouseout)
function hidetrail(){
	gettrailobj().visibility="hidden"
	document.onmousemove=""
	gettrailobj().left="-500px"

}

function followmouse(e){
	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

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

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 286; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 0)){
			ycoord += e.pageY - Math.max(0,(0 + currentimageheight + 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 - 286; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + 0)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(0 + currentimageheight + 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)
		if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
}