/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

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 currentimageheight = 450;	// maximum image size.
var ctt;
var w_interval=2000;

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, imagenum, license, caption, showthumb, brand, imageid){
	//Only do this if the person wants it
//	if(document.hoverForm.showComp.selectedIndex==0) {
	var cval=getCookie('dp_sel');
	if(cval!='off'){
		if (imageid > 0) {
			var width = 400; //getImageWidth(imageid);
			var height =400; //  getImageHeight(imageid);
		}
		//if (height > 0){
		//	currentimageheight = height;
		//}
//		alert(getImageHeight(imageid));
//		alert(currentimageheight);
		
		document.onmousemove=followmouse;
		newHTML = '<div style="padding: 5px; overflow: hidden; background-color: #FFF; border: 1px solid #888;" >';
		
		if (showthumb > 0){
			newHTML = newHTML + '<div align="center" style="overflow: hidden; padding: 8px 2px 2px 2px;"><img src="' + imagename + '" border="0" width=400></div>';
		}
		var lencaption = caption.length;
//		alert(lencaption);
		
		var len = 85;
//var p = document.getElementById('truncateMe');
if (caption) {

  var trunc = caption;
  if (trunc.length > len) {

    /* Truncate the content of the P, then go back to the end of the
       previous word to ensure that we don't truncate in the middle of
       a word */
    trunc = trunc.substring(0, len);
    trunc = trunc.replace(/\w+$/, '');

    /* Add an ellipses to the end and make it a link that expands
       the paragraph back to its original size */
    //trunc += '<a href="#" ' +
    //  'onclick="this.parentNode.innerHTML=' +
    //  'unescape(\''+escape(caption)+'\');return false;">' +
     // '...<\/a>';
    caption = trunc;
  }
}


//alert(caption);
//		newHTML = newHTML + '<p id="hoverText" ><b>' + imagename + 'is image</b><br>';
		newHTML = newHTML + '<span class="blah">Image# ' + imagenum + ' (' + license + ')</span><br>';
//		newHTML = newHTML + '<span class="blah"  >' + unescape(caption) + '</span>';
		
		newHTML = newHTML + '</p></div>';

		gettrailobjnostyle().innerHTML = newHTML;
		ctt==setTimeout("set_visible()",w_interval);
//		gettrailobj().visibility="visible";
//		document.getElementById("showComp").style.visibility = 'hidden';
//		document.getElementById("imagesperpage").style.visibility = 'hidden';
//		document.getElementById("thumbSize").style.visibility = 'hidden';
//		document.getElementById("sortBy").style.visibility = 'hidden';
		//document.getElementById("boxID").style.visiblity = 'hidden';
		
	}
}

function set_visible(){
	gettrailobj().visibility="visible";
	}

function hidetrail(){
//	if(document.hoverForm.showComp.selectedIndex==0) {
	var cval=getCookie('dp_sel');
	if(ctt) clearTimeout(ctt);
	if(cval!='off'){
		gettrailobj().visibility="hidden";
/*		document.getElementById("showComp").style.visibility = 'visible';
		document.getElementById("imagesperpage").style.visibility = 'visible';
		document.getElementById("thumbSize").style.visibility = 'visible';
		document.getElementById("sortBy").style.visibility = 'visible';
*/		//document.getElementById("boxID").style.visibility = 'visible';
		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)
//	document.sortByForm.sortBy.style.visibility = 'hidden';

	//if (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 400){
			xcoord = e.pageX - xcoord - 515; // 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 < 400){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 515; // 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"

}