function setRandTimer(func)
{
    return setInterval(func + "()", randTimer());
}
 
function randTimer() 
{
    return (Math.random()*4000) + 1000;
}

function getRandColor()
{
	var val = Math.floor(Math.random()*Color_Table.length)
	return Color_Table[val];
}

Color_Table = [  new vec4(0.33,  0.52, 0.85, 1),
				 new vec4(0.603, 0.305, 0.85, 1),
				 new vec4(0.956, 0.76, 0.039, 1),
				 new vec4(0.49, 0.85, 0.058, 1),
				 new vec4(0.0, 0.0, 1.0, 1)
				];