// JavaScript Document
// Javascript source for Gregory Lab
// Author: James Nicol, July 2005

/* Arrow in NavBar script
Simple Image Trail script- By JavaScriptKit.com
This notice must stay intact */
var trailimage=["../images/arrow_up.gif", 11, 7] //image path, plus width and height
var offsetfrommouse=[-4,0] //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.

if (document.getElementById || document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:visible;left:0px;top:0px;width:1px;height:1px"><img src="'+trailimage[0]+'" border="0" width="'+trailimage[1]+'px" height="'+trailimage[2]+'px"></div>')

function gettrailobj(){
if (document.getElementById)
return document.getElementById("trailimageid").style
else if (document.all)
return document.all.trailimagid.style
}

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

function showtrail(){
	gettrailobj().visibility="visible";
	document.onmousemove=followmouse;
}

function hidetrail(){
gettrailobj().visibility="hidden";
document.onmousemove="";
}

function followmouse(e){
var xcoord=offsetfrommouse[0]
var ycoord=75
if (typeof e != "undefined"){
xcoord+=e.pageX
ycoord+=150
}
else if (typeof window.event !="undefined"){
xcoord+=truebody().scrollLeft+event.clientX
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 (xcoord+trailimage[1]+3>docwidth || ycoord+trailimage[2]> docheight)
gettrailobj().display="none"
else 
gettrailobj().display=""
gettrailobj().left=xcoord+"px"
gettrailobj().top="133px"
}

/* Scripts for Image Rollover from Fireworks*/
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

/* Script for Contact Window 
Simple Image Trail script- By JavaScriptKit.com
This notice must stay intact */

var displayduration=0; //duration in seconds image should remain visible. 0 for always.
var currentimageheight = 100;	// maximum image size.

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

function getcontactpageobj(){
if (document.getElementById)
return document.getElementById("contactpageid").style
else if (document.all)
return document.all.contactpageid.style
}

function getcontactpageobjnostyle(){
if (document.getElementById)
return document.getElementById("contactpageid")
else if (document.all)
return document.all.contactpageid
}

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

function showcontactpage(){
	
	newHTML = '<div style="padding: 5px; background-color: #E1E1E1; border: 1px solid #888;">';
	newHTML = newHTML + '<div id="contactclose"><a href="javascript:hidecontactpage();"><img src="../images/close.gif" alt="Close"></a></div>';
	newHTML = newHTML + '<img src="../images/contact_header.gif" alt="Contact Details">';
	newHTML = newHTML + '<table><tr><td valign="top"><strong>Mailing address:</strong></td><td>Dept. of Integrative Biology<br>University of Guelph<br>50 Stone Rd. E.<br>Guelph, Ontario<br>N1G 2W1 Canada</td></tr>';
	newHTML = newHTML + '<tr><td><strong>Office:</strong</td><td>SCIE 1450</td></tr>';
	newHTML = newHTML + '<tr><td><strong>Lab:</strong</td><td>SCIE 1403/1404</td></tr>';
	newHTML = newHTML + '<tr><td><strong>Phone (office):</strong</td><td>1-519-824-4120, x58053</td></tr>';
	newHTML = newHTML + '<tr><td><strong>Phone (lab):</strong</td><td>1-519-824-4120, x58381</td></tr>';
	newHTML = newHTML + '<tr><td><strong>Fax: </strong</td><td>1-519-767-1656</td></tr>';
	newHTML = newHTML + '<tr><td><strong>Email:</strong</td><td><a href="mailto:rgregory@uoguelph.ca">rgregory@uoguelph.ca</a></td></tr><table>';
	newHTML = newHTML + '</div>';
 
	getcontactpageobjnostyle().innerHTML = newHTML;
	getcontactpageobj().visibility="visible";

}


function hidecontactpage(){
	getcontactpageobj().visibility="hidden"
	gettrailobj().left="-500px"
}

function positioncontactpage(e){
var xcoord=offsetfrommouse[0]
var ycoord=75
if (typeof e != "undefined"){
xcoord+=e.pageX
ycoord+=150
}
else if (typeof window.event !="undefined"){
xcoord+=truebody().scrollLeft+event.clientX
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 (xcoord+trailimage[1]+3>docwidth || ycoord+trailimage[2]> docheight)
gettrailobj().display="none"
else 
gettrailobj().display=""
gettrailobj().left=xcoord+"px"
gettrailobj().top="133px"
}