<!--

/****************************************************
*			    	General Routines
*             ==================
*            Please edit with care...
*****************************************************/

function chColin(eid)   {chImg(eid,"images/arrow-gold.gif");}
function chColouts(eid) {chImg(eid,"images/arrow-blue.gif");}
function chColouty(eid) {chImg(eid,"images/arrow-blue.gif");}
function chColoutx(eid) {chImg(eid,"images/arrow-grey.gif");}
function chColout(eid)  {chImg(eid,"images/arrow-slate.gif");}

function chImg (id,im) {getObject(id).style.backgroundImage = "url('"+im+"')";}

function getObject(name) {return (document.getElementById?document.getElementById(name):document.all?document.all[name]:document.layers?eval("document.layers[\"" + name + "\"]"):null);}

function goTo(url) {document.location.href = url;}

function doCopy() {document.write('<div class="copy">Copyright &copy; 2006 Launceston Services</div>');}

function doNav() {document.write('<div class="centre"><br /><a href="#top"><img alt="top" height="20"  src="images/arrow-up.jpg" width="20" border="0" /></a></div><br />');}

var objPage = null;	// old page object
function doShow(objid) {
	if (objPage) objPage.style.display="none";	// blank any that are displayed
	objPage=getObject(objid)							// get referenced object
	objPage.style.display = "block";					// display it
}

// used in body as <... onLoad="MM_preloadImages('images/xxx.jpg','images/yyy.jpg',...">

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];}}
}

// used in <... onMouseOut="MM_swapImgRestore()">

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_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;
}

// used in <... onMouseOver="MM_swapImage('image_name_and_ID','','swap_image_source',1)">

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];}
}

// Used to fade between one colour (rgb_start) and another (rgb_final).
// To create an effect of a link changing between colours, use: <a href="...". id="unique_id" onMouseOver="KW_fade(r_start,g_start,b_start,r_final,g_final,b_final,speed,this.id)" onMouseOut="KW_fade(r_final,g_final,b_final,r_start,g_start,b_start,speed,this.id)"
// speed is ~20?  don't know the units.

function KW_s(r, g, b, el) {
// changes colour of element (el) to hex value of rgb
    d=document;hr=r.toString(16);hg=g.toString(16);hb=b.toString(16);
	hr=(hr.length==1)?"0"+hr:hr;hg=(hg.length==1)?"0"+hg:hg;hb=(hb.length==1)?"0"+hb:hb;
	if (d.getElementById) d.getElementById(el).style.color="#"+hr+hg+hb;
}

function KW_c(a,b,s,i) { return Math.floor(a*((s-i)/s)+b*(i/s)) }

function KW_fade(r,g,b,e,n,l,s,o){
// fades colour (rgb) of object (o) to (enl) at speed (s)

    for(i=0;i<=s;i++)setTimeout("KW_s("+KW_c(r,e,s,i)+","+KW_c(g,n,s,i)+","+KW_c(b,l,s,i)+",'"+o+"');",i*s);
}

-->

