var aHTTP = new Array(6);
	aHTTP[0] = getHTTPObject();
	aHTTP[1] = getHTTPObject();
	aHTTP[2] = getHTTPObject();
	aHTTP[3] = getHTTPObject();
	aHTTP[4] = getHTTPObject();
	aHTTP[5] = getHTTPObject();

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

function rotateBanner(){
	
	//SET PAGE BACKGROUND
	var ran_no = get_random( 5 );
	
	var aBgRounds = new Array( 5 );
	
	aBgRounds[0] = 'a';
	aBgRounds[1] = 'b';
	aBgRounds[2] = 'c';
	aBgRounds[3] = 'd';		
	aBgRounds[4] = 'e';	
	
	
	document.getElementById("banner_left").style.backgroundImage='url(https://www.cfluent.com/agencysites/131/pix/top_banner_1' + aBgRounds[ran_no] + '.jpg)';
	document.getElementById("banner_mid").style.backgroundImage='url(https://www.cfluent.com/agencysites/131/pix/top_banner_2' + aBgRounds[ran_no] + '.jpg)';
	document.getElementById("banner_right").style.backgroundImage='url(https://www.cfluent.com/agencysites/131/pix/top_banner_3' + aBgRounds[ran_no] + '_w.jpg)';
	
	
	
}

function getReadyHTTP( rs ){for( var ak in aHTTP){if( aHTTP[ak].readyState == rs )return ak;}return false;}
function getElementObject(eid) {if (document.all){return document.all[eid];}if (document.getElementById) {return document.getElementById(eid);}if(document.layers){return document.layers[div_id];}}
function getHTTPObject() { var xmlhttp; /*@cc_on @if (@_jscript_version >= 5)try{xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");} catch (e) {try{xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");} catch (E) {xmlhttp = false;}} @else xmlhttp = false; @end @*/ if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {try {xmlhttp = new XMLHttpRequest();} catch (e){xmlhttp = false;}}return xmlhttp;}