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

var offsetfrommouse=[65,15]; //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.
var currentimagewidth = 270; // maximum image size.

if (document.getElementById || document.all){
document.write('<div id="trailimageid"></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,width, height){
	if (width > 0){
		currentimagewidth = width;
	}
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

	newHTML = '<div style="background-color: #FFFFFF; border: 0px solid #000000;">';
	newHTML = newHTML + '<img src="' + imagename + '" border="0" style="border: 1px solid #000000;" width="' + currentimagewidth + '" height="'+currentimageheight+'"></div>';

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


function showtrailfull(imagename,width, height){	
	 currentID = 1;     
	if (width > 0){
		currentimagewidth = width;
	}
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;
 	$.ajax({   
          type: 'GET',   
          url: '/ajax/ajaxtrail.php',   
          data: 'PrintID=' + imagename, 
			cache: false,
			dataType: 'text',
          success: function(data)   {   


              // Verify that we're pointed to a page that returned the expected results.   
               if (data.indexOf('personPopupResult') < 0) {   
                 alert('hi'); 
              }  
  
              // Verify requested person is this person since we could have multiple ajax   
              // requests out if the server is taking a while. 

              if (data.indexOf(currentID) > 0){                     
                 
				  text=($(data).filter('#personPopupResult').html());
                  $('#trailimageid').html(text);
              }   
			  else{
			  	alert('error');
			  }
          }   
      });   
	
	gettrailobj().visibility="visible";
	gettrailobj().position="absolute";
	
}



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 < (currentimagewidth + 110)){
			xcoord = e.pageX - xcoord - currentimagewidth; // 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 < (currentimagewidth + 110)){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - currentimagewidth; // 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)
	if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
}