/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/
var itemWidth = 400;
var offsetfrommouse=[25,-80]; //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 = 400;	// maximum image size.
noPicture = "no";

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

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(imagename, description, newItemWidth, newItemHeight){

 if ( !newItemHeight ) { newItemHeight = 400; }
 if ( !newItemWidth ) {  newItemWidth = 500; }


	document.onmousemove=followmouse;
	newHTML = '<div  class=schatten><div>';
	if ( description ) { newHTML = newHTML + '<h1>' + description + '</h1>';}
	newHTML = newHTML + '<img src="' + imagename + '" border="0" id="Bild"></div></div>';



	if (newItemWidth != false) {
		itemWidth = newItemWidth;
	}

	if (newItemHeight > 0){
		currentimageheight = newItemHeight;
	}




	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().visibility="visible";

}


function showhtml(newHtml,height) {

	document.onmousemove=followmouse;
	newHtml = '<div style="border: 1px solid #000000;background-color:#FFFFFF;padding:5px" align="left">' + newHtml + '<div>';
	gettrailobjnostyle().innerHTML = newHtml;
	gettrailobj().visibility="visible";

}

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(document.body.offsetHeight, window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < itemWidth + 50){
			if (noPicture == "yes") {
				xcoord = e.pageX - xcoord - itemWidth; // Move to the left side of the cursor
			} else {
				xcoord = e.pageX - xcoord - itemWidth; // Move to the left side of the cursor
			}
		} else {
			xcoord += e.pageX;
		}
		if ((docheight - e.pageY) < (currentimageheight + 110)){
			ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < itemWidth + 50){
			if (noPicture == "yes") {
				xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // Move to the left side of the cursor
			} else {
				xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // Move to the left side of the cursor
			}
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + 110)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + 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)

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

}