ball_blue=new Image();
ball_blue.src="../../images/ball.gif";

ball_yell=new Image();
ball_yell.src="../../images/yell.gif";



function setCookie(name, value, expires, path, domain, secure) 
{
 var curCookie =  name + "=" + escape(value) +
  			((expires) ? "; expires=" + expires.toGMTString() : "") +
  			((path) ? "; path=" + path : "") +
  			((domain) ? "; domain=" + domain : "") +
  			((secure) ? "; secure" : "");
 document.cookie = curCookie;
}

function getCookie(name) 
{
 var prefix = name + "=";
 var cookieStartIndex = document.cookie.indexOf(prefix);

 if (cookieStartIndex == -1)  return null;
 
 var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
 if (cookieEndIndex == -1) cookieEndIndex = document.cookie.length;

 return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

function removeCookie(name, path, domain) 
{
document.cookie = name + "=" + 
			((path) ? "; path=" + path : "") +
  			((domain) ? "; domain=" + domain : "") +
  			"; expires=Thu, 01-Jan-70 00:00:01 GMT";
}


function changecolor(id)
{
var el=document.getElementById(id);
var refs=getCookie(id);

if(refs) el.style.backgroundColor="#FFFFCC";
removeCookie(id);
}