//function for to change colour on mouseover
function subMenu(obj,x) 
{
	obj.backgroundColor = (x);
}

//Shows menus
function showmenu(elmnt)
{
document.getElementById(elmnt).style.visibility="visible"
}

//Hides menus
function hidemenu(elmnt)
{
document.getElementById(elmnt).style.visibility="hidden"
}

// email function without showing email address
var user;
var domain;
var suffix;
var linktext;
function fullemail(user, domain, suffix, linktext){
	document.write('<a href="' + 'mailto:' + user + '@' + domain + '.' + suffix + '">' + linktext + '</a>');
} 

function jemail(user, domain, suffix){
	document.write('<a href="' + 'mailto:' + user + '@' + domain + '.' + suffix + '">' + user + '@' + domain + '.' + suffix + '</a>');
}


//Tickatape style 
function ticka(str)
{
pos=0
maxlength=0
message = str
maxlength=str.length+1
writemsg()
}

//Write tickatape
function writemsg()
{
var adv=document.getElementById('drop')
if (pos<maxlength)
{
txt=message.substring(pos,0)
adv.innerHTML = txt
pos++ 
timer=setTimeout("writemsg()",50)
}
}

//change size for screen resolution
function sizeit()
{
if (screen.width < 1000)
{
document.getElementById('extra').style.display="none";
document.getElementById('content').style.width="740px";
}
}

//change size for screen resolution
function sizemain()
{
var page =  window.location.href;
var words = location.search;
var set = window.location.href.length;
var setup = words.length;
var diff = 0
diff = set-setup;
var test = page.substring(0,diff);
if (screen.width < 1000)
{
document.getElementById('extra').style.display="none";
document.getElementById('content').style.width="740px";
if (words == '') {window.location = page+"?view=3"}
}
else if (words != '') {window.location = test;}
} 

//Show / hide details
function togglesp(elmnt)
{
if (document.getElementById(elmnt).style.display == "block") 
{document.getElementById(elmnt).style.display="none";}
else
{document.getElementById(elmnt).style.display="block";}
}