//Color Changing Method
//Copyright (c) Kevin Polk - kevpolk.com
//Permission given to Grace Center, Inc for use

Date.prototype.getDOY = function() {
var onejan = new Date(this.getFullYear(),0,1);
return Math.ceil((this - onejan) / 86400000);
}

var d = new Date();
y = d.getYear();

var spring = new Date(y,2,22);
var summer = new Date(y,5,20);
var autumn = new Date(y,8,20);
var winter = new Date(y,11,22);

x=d.getDOY();

if(x>=0 && (x<spring.getDOY() || x>=winter.getDOY())) {
   document.write('<style type="text/css">body{background: white url(http://gracecenterindiana.org/colorwinter.png); color: black}"></style>')
} else
if(x<summer.getDOY()) {
   document.write('<style type="text/css">body{background: white url(http://gracecenterindiana.org/colorspring.jpg); color: black}</style>')
} else
if(x<autumn.getDOY()) {
   document.write('<style type="text/css">body{background: white url(http://gracecenterindiana.org/colorsummer.png); color: black}</style>')
} else
if (x<winter.getDOY()) {
   document.write('<style type="text/css">body{background: white url(http://gracecenterindiana.org/colorfall.png); color: black}</style>')
}