addEvent(window, 'load', toggleChange0);

function toggleChange0(){
   setInterval("toggleChange()",200);
//   setInterval("toggleChange2()",400);
}
function toggleChange(){
   if (document.getElementById('change').style.color=="silver"){
      document.getElementById('change').style.color="aqua";
	 } else if (document.getElementById('change').style.color=="aqua") {
    	document.getElementById('change').style.color="gray";
	 } else if (document.getElementById('change').style.color=="gray") {
    	document.getElementById('change').style.color="red";
	 } else {
    	document.getElementById('change').style.color="silver";
	 }
}
/*
function toggleChange2(){
   if (document.getElementById('change2').style.color=="black"){
      document.getElementById('change2').style.color="aqua";
	 } else if (document.getElementById('change2').style.color=="aqua") {
    	document.getElementById('change2').style.color="red";
	 } else if (document.getElementById('change2').style.color=="red") {
    	document.getElementById('change2').style.color="gray";
	 } else {
    	document.getElementById('change2').style.color="black";
	 }
}
*/
/* Thanks to Scott Andrew */
/* function addEvent(obj, evType, fn){
    if (obj.addEventListener) {
        obj.addEventListener(evType, fn, true);
        return true;
    } else if (obj.attachEvent) {
        var r = obj.attachEvent("on"+evType, fn);
        return r;
    } else {
	    return false;
    }
}*/
function addEvent( obj, type, fn )
{
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}
function removeEvent( obj, type, fn ) {
  if ( obj.detachEvent ) {
    obj.detachEvent( 'on'+type, obj[type+fn] );
    obj[type+fn] = null;
  } else
    obj.removeEventListener( type, fn, false );
}