// javascript for the moving-colours engine

var si = 0;
var fi = 0;
var mi = 0;
var col = 0
function tabColour() {
   move=document.getElementById("topleft");
   bove=document.getElementById("topcentre");
   cove=document.getElementById("topright");
   dove=document.getElementById("centreleft");
   eove=document.getElementById("centrecentre");
   fove=document.getElementById("centreright");
   gove=document.getElementById("bottomleft");
   hove=document.getElementById("bottomcentre");
   iove=document.getElementById("bottomright");
   si=si+1;
   fi=fi+1.1;
   mi=mi+1.2;
   move.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30))) + ")";
   bove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-0.25))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-0.25))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-0.25))) + ")";
   cove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-0.5))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-0.5))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-0.5))) + ")";
   dove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-0.75))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-0.75))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-0.75))) + ")";
   eove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-1.0))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-1.0))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-1.0))) + ")";
   fove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-1.25))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-1.25))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-1.25))) + ")";
   gove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-1.5))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-1.5))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-1.5))) + ")";
   hove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-1.75))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-1.75))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-1.75))) + ")";
   iove.style.backgroundColor="rgb(" + Math.floor(255*Math.abs(Math.sin(si/30-2.0))) + "," + Math.floor(255*Math.abs(Math.sin(fi/30-2.0))) + "," + Math.floor(255*Math.abs(Math.sin(mi/30-2.0))) + ")";
   col = window.setTimeout("tabColour()",40);
}
function stopTabColour() {
   window.clearTimeout(col);   
}
function grabColour(paneName) {
   	 paneColour = document.getElementById(paneName).style.backgroundColor;
	 document.getElementById("medQuestions").style.backgroundColor = paneColour;
     document.getElementById("medQuestion").style.backgroundColor = paneColour;
     document.getElementById("medQuestion").style.borderTopColor = paneColour;
     document.getElementById("medQuestions").style.borderBottomColor = paneColour;
     document.getElementById("endThree").style.backgroundColor = paneColour;
     document.getElementById("endFour").style.backgroundColor = paneColour;
	 document.getElementById("endFive").style.backgroundColor = paneColour;
	 document.getElementById("hawk").style.backgroundColor = paneColour;
	 document.getElementById("mendips").style.backgroundColor = paneColour;
	 document.getElementById("endSix").style.backgroundColor = paneColour;
	 document.getElementById("titleStrip").style.color = paneColour;
	 document.getElementById("kite").style.backgroundColor = paneColour;
	 document.getElementById("rightUpright").style.backgroundColor = paneColour;
     document.getElementById("mainHighlight").style.color = paneColour;
     document.getElementById("gawainKnight").style.color = paneColour;
     document.getElementById("kingArthur").style.color = paneColour;
     document.getElementById("tF1").style.color = paneColour;
     document.getElementById("tF3").style.color = paneColour;
     document.getElementById("featuredMedStory1").style.color = paneColour;
     document.getElementById("featuredMedStory2").style.color = paneColour;
     document.getElementById("featuredMedStory3").style.color = paneColour;
     document.getElementById("featuredMedStory4").style.color = paneColour;
   }