function get_random()
{
    var ranNum= (Math.round((Math.random()*8)+1));
    return ranNum;
}

function getaQuote(){
   var whichQuote=get_random();
    var quote=new Array(10);
     quote[0]="images/banners/header1.jpg";
     quote[1]="Images/banners/header2.jpg";
     quote[2]="Images/banners/header3.jpg";   
     quote[3]="Images/banners/header4.jpg";
     quote[4]="Images/banners/header5.jpg";
	 quote[5]="Images/banners/header6.jpg";
	 quote[6]="Images/banners/header7.jpg";
	 quote[7]="Images/banners/header8.jpg";
	 quote[8]="Images/banners/header9.jpg";
	 quote[9]="Images/banners/header10.jpg";
   document.getElementById('banner').style.backgroundImage = 'url('+quote[whichQuote]+')';
   setTimeout('getaQuote()', 10000);
  }