<script type='text/javascript'>

<!--

 var now = new Date();

 var hours = now.getHours();

   //16-18 ساعة

if (hours >= 16 && hours <= 18){

document.body.style.background="#3399FF url('http://2.bp.blogspot.com/-CFlHD7yvSl8/U3FRHwIY1hI/AAAAAAAABtQ/NV8Nq0k05wU/s1600/2.jpg') fixed top repeat-x";

   //19-21 ساعة

 } else if (hours >= 19 && hours <= 21){

document.body.style.background="#99CC66 url('http://3.bp.blogspot.com/-Jzs3xwYRy4s/U3FSeNbncBI/AAAAAAAABuU/dSyFcbfRzwU/s1600/3.jpg') fixed top repeat-x";

   //22-4 ساعة

 } else if (hours >= 22 || hours <= 4){

document.body.style.background="#993399 url('http://1.bp.blogspot.com/-WqPCH0CSpa8/U3FRtG7CywI/AAAAAAAABto/Q-Lj-6yTCBM/s1600/4.png') fixed top repeat-x";

   //5-6 ساعة

 } else if (hours >= 5 && hours <= 7){

document.body.style.background="#CC99CC url('http://1.bp.blogspot.com/-QCOac5C7_pQ/U3FR-4I_KiI/AAAAAAAABtw/5cVCl8xXOnk/s1600/5.jpg') fixed top repeat-x";

   //7-8 ساعة

 } else if (hours >= 7 && hours <= 8){

document.body.style.background="#9966CC url('http://3.bp.blogspot.com/-KCFFulPwpCM/U3FSNSixVGI/AAAAAAAABuA/1XVYnjuOcrU/s1600/6.jpg') fixed top repeat-x";

   //9-15 ساعة                       

 } else if (hours >= 9 && hours <= 15){

document.body.style.background="#868579 url('http://3.bp.blogspot.com/-Sixq9qoD9og/U3FSLlAEeTI/AAAAAAAABt4/2EvWQ0m9goA/s1600/7.jpg') fixed top repeat-x";

 }

//-->

//http://www.sweup.com

</script>