var offsetfrommouse=[15,25]; //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 defaultimageheight = 40;	// maximum image size.
var defaultimagewidth = 40;	// maximum image size.
var timer;

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

function gettrailobj(){
if (document.getElementById) return document.getElementById("preview_div")
}

function hideTrail(){	
	gettrailobj().style.display= "none";
	document.onmousemove="";
	gettrailobj().style.left="-1000px";
	clearTimeout(timer);
}

function showTrail (img, width, height) {
	timer = setTimeout("show('"+img+"', "+width+", "+height+");",200);
}

function show (img, width, height){ 
    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';


		
		defaultimageheight = height
		defaultimagewidth = width
		
		document.onmousemove=followmouse;
		newHTML = '<img src="' + img + '" width="' + width + '" height="' + height + '" border="0" alt="" />';
		gettrailobj().innerHTML = newHTML;
		gettrailobj().style.display="block";
	}
}

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 < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj().style.left=xcoord+"px"
	gettrailobj().style.top=(ycoord-200)+"px"

}

function show_flash () {
	document.write ('<div id="flash"><object type="application/x-shockwave-flash" data="images/slideshow/slideshow.swf" width="220" height="185"><param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="images/slideshow/slideshow.swf" /><param name="wmode" value="transparent" /></object></div>');
	document.write ('<div class="banner"><object type="application/x-shockwave-flash" data="images/banners/banner-01.swf" width="250" height="180"><param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="images/banners/banner-01.swf" /><param name="wmode" value="transparent" /></object></div>');
		document.write ('<div class="banner"><object type="application/x-shockwave-flash" data="images/banners/banner-00.swf" width="250" height="180"><param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="images/banners/banner-00.swf" /><param name="wmode" value="transparent" /></object></div>');
}
