function sp_AttachEvents()
{
	if(!spEventsAttached)
	{
		sp_Load();
		if(document.getElementById('sitepath_debug')) { document.getElementById('sitepath_debug').style.display = '';}
		document.body.onbeforeunload = sp_BeforeUnload;
		document.body.onload = sp_BodyLoad;
		document.body.onmousemove = sp_MouseMove;
		document.body.onresize = sp_Resize;
		document.body.onscroll = sp_Scroll;
		window.setTimeout('sp_CheckMouse()', 5000);
		spEventsAttached = true;
	}
}

function sp_BeforeUnload()
{
	if(spCheckMouseTimer!=null) { window.clearTimeout(spCheckMouseTimer); }
	sp_CheckMouse();
	if(spCheckMouseTimer!=null) { window.clearTimeout(spCheckMouseTimer); }
}

function sp_BodyLoad()
{
	sp_Command('page;' + sp_Now() + ';' + escape(document.location.href) + ';' + escape(document.body.outerHTML))
}

function sp_CheckMouse()
{
	if(spMouseBuffer!='')
	{
		//sp_Debug(spMouseBuffer);
		sp_Command('mouse;' + spMouseTime + spMouseBuffer)
		spMouseTime = sp_Now();
		spMouseBuffer = '';
	}
	spCheckMouseTimer = window.setTimeout('sp_CheckMouse()', 5000);
}

function sp_Command(spCommand)
{
	var nMaxLength = 1800
	if(spSitePageOn)
	{
		for(a=0;a<=(Math.floor((spCommand.length-1)/nMaxLength));a++)
		{
			spCommands[spCommands.length] = (spCommandIndex) + (a==0?';':';;;') + spCommand.substring(a * nMaxLength, (a + 1) * nMaxLength);
		}
		spCommandIndex++;
		sp_ShowCommandBuffer();
		if(!spProcessingCommand) { sp_ProcessNextCommand(); }
	}
}

function sp_CommandImageLoad()
{
	spProcessingCommand = false;
	var spCommandsTemp = new Array();
	for(a=0;a<spCommands.length-1;a++) { spCommandsTemp[a] = spCommands[a+1]; }
	spCommands = spCommandsTemp;
	sp_ShowCommandBuffer();
	if(spCommands.length>0) { sp_ProcessNextCommand(); }
}

function sp_Debug(spMessage)
{
	if(document.getElementById('sitepath_debug')) { document.getElementById('sitepath_debug').innerHTML = spMessage; }
}

function sp_FlashVersion()
{
	if (navigator.plugins && navigator.plugins.length)
	{
		x = navigator.plugins["Shockwave Flash"];
		if (x)
		{
			if (x.description)
			{
				y = x.description;
				return y.charAt(y.indexOf('.')-1);
			}
		}
		if (navigator.plugins["Shockwave Flash 2.0"])
		{
			return 2;
		}
	}
	else
	{
		if (navigator.mimeTypes && navigator.mimeTypes.length)
		{
			x = navigator.mimeTypes['application/x-shockwave-flash'];
			if (x && x.enabledPlugin)
			{
				return '';
			}
		}
		else
		{
			return '';
		}
	}
}

function sp_GetCookie(sName)
{
	var spCookie = '; ' + document.cookie + '; ';
	var spIndex1 = spCookie.indexOf('; ' + sName + '=')
	if(spIndex1<0)
	{
		return '';
	}
	else
	{
		return spCookie.substr(spIndex1 + sName.length + 3).split('; ')[0];
	}
}

function sp_Load()
{
	sp_Command('load;' + sp_Now() + ';' + escape(document.location.href) + ';' + document.body.clientWidth + ';' + document.body.clientHeight + ';' + screen.width + ';' + screen.height + ';' + screen.colorDepth + ';' + sp_FlashVersion())
}

function sp_MouseDown(e)
{
	if(!(e)) { e=event; }
	if(e.button==4)
	{
		if(spSitePageOn)
		{
			document.cookie = 'sitepath=off; path=/'
			spSitePageOn = false;
		}
		else
		{
			document.cookie = 'sitepath=on; path=/'
			spSitePageOn = true;
			if(!spEventsAttached)
			{
				sp_AttachEvents();
				sp_BodyLoad(); 
			}
			
		}
	}
}

function sp_MouseMove(e)
{
	if(!(e)) { e=event; }
	spMouseBuffer += ';' + (sp_Now() - spMouseTime) + ',' + e.x + ',' + e.y
}

function sp_Now()
{
	return Number(new Date());
}

function sp_ProcessNextCommand()
{
	spProcessingCommand = true;
	spCommandImage.src  = 'http://www.teravault.com/sitepath/com.asp?' + spUserGuid + ';' + spSessionGuid + ';' + spPageGuid + ';' + spCommands[0];
}

function sp_Resize()
{
	if(spResizeTimer!=null) { window.clearTimeout(spResizeTimer); }
	spResizeTimer = window.setTimeout('sp_Command(\'resize;' + sp_Now() + ';' + document.body.clientWidth + ';' + document.body.clientHeight + '\')', 500);
}

function sp_Scroll()
{
	if(spScrollTimer!=null) { window.clearTimeout(spScrollTimer); }
	spScrollTimer = window.setTimeout('sp_Command(\'scroll;' + sp_Now() + ';' + document.body.scrollLeft + ';' + document.body.scrollTop + '\')', 500);
}

function sp_ShowCommandBuffer()
{
	//return false;
	var sDisplay = '';
	for(a=0;a<spCommands.length;a++)
	{
		sDisplay += spCommands[a] + '<br>';
	}
	sp_Debug(sDisplay);
}



// allocate variables
var spGuid = 'B7629848232E4728A98EB3786FA7689A';
var spMouseBuffer = ''
var spMouseTime = Number(new Date());
var spCommands = new Array();
var spCommandImage = new Image();
var spResizeTimer = null;
var spScrollTimer = null;
var spEventsAttached = false;
var spSitePageOn = !(document.cookie.indexOf('sitepath=off')>-1);
var spUserGuid = sp_GetCookie('spUserGuid');
var spSessionGuid = sp_GetCookie('spSessionGuid');
var spPageGuid = spGuid;
var spCommandIndex = 0;
var spProcessingCommand = false;
var spCheckMouseTimer = null;

if(spUserGuid=='') { spUserGuid = spGuid; document.cookie = 'spUserGuid=' + spUserGuid + ';path=/;expires='+(new Date((new Date()).getTime()+(30*86400000))).toGMTString(); }
if(spSessionGuid=='') { spSessionGuid = spGuid; document.cookie = 'spSessionGuid=' + spSessionGuid + '; path=/;'; }

//document.write('<div id="sitepath_debug" style="display:none; position:absolute; top:10px; left:10px; background:#ffffff; border:1px #000000 solid; padding:4px;"></div>');
//document.write('[' + spUserGuid + ']<br>');
//document.write('[' + spSessionGuid + ']<br>');
//document.write('[' + spPageGuid + ']<br>');


// do we start?
if(spSitePageOn) { sp_AttachEvents(); }
document.body.onmousedown = sp_MouseDown;
spCommandImage.onload = sp_CommandImageLoad
spCommandImage.onerror = function() { sp_Debug('IMAGE ERROR: ' + spCommandImage.src); }