function SimpleAjax() {
	this.xmlreq = null;
	if ( window.XMLHttpRequest ) {
		// Create XMLHttpRequest object in non-Microsoft browsers
		this.xmlreq = new XMLHttpRequest();
	} else if ( window.ActiveXObject ) {
		// Create XMLHttpRequest via MS ActiveX
		try {
			// Try to create XMLHttpRequest in later versions
			// of Internet Explorer
			this.xmlreq = new ActiveXObject( "Msxml2.XMLHTTP" );
		} catch ( e1 ) {
			// Failed to create required ActiveXObject
			// Try version supported by older versions
			// of Internet Explorer
			this.xmlreq = new ActiveXObject( "Microsoft.XMLHTTP" );
		}
	}
	SimpleAjax.prototype.doPost = function ( url, parameters, stateChanged ) {
		this.doRequest( "POST", url, parameters, stateChanged );
	};
	SimpleAjax.prototype.doGet = function( url, parameters, stateChanged ){
		this.doRequest( "GET", url, parameters, stateChanged );
	};
	SimpleAjax.prototype.doRequest = function( type, url, parameters, stateChanged ) {
		this.xmlreq.onreadystatechange = this.getReadyStateHandler( stateChanged );
		this.xmlreq.open( type, url, true );
		this.xmlreq.setRequestHeader( "Content-type", "application/x-www-form-urlencoded" );
		this.xmlreq.setRequestHeader( "Content-length", parameters.length );
		this.xmlreq.setRequestHeader( "Connection", "close" );
		this.xmlreq.send( parameters );
	};
	/*
	 * Returns a function that waits for the specified XMLHttpRequest
	 * to complete, then passes its XML response to the given handler function.
	 * req - The XMLHttpRequest whose state is changing
	 * responseXmlHandler - Function to pass the XML response to
	 */
	SimpleAjax.prototype.getReadyStateHandler = function( responseHandler ) {
		var req = this.xmlreq;
		// Return an anonymous function that listens to the 
		// XMLHttpRequest instance
		return function () {
			// If the request's status is "complete"
			if ( req.readyState == 4 ) {
				// Check that a successful server response was received
				if ( req.status == 200 ) {
					// Pass the XML payload of the response to the 
					// handler function
					responseHandler( req ); //responseXML or responseText
				} else {
					// An HTTP problem has occurred
					//alert( "HTTP error: " + req.status );
				}
			}
		}
	};	
}


var roll_count = new Array();
var mainbanner = new Array();
var position4= new Array();
position4['0'] = '32';
position4['1'] = '71';
position4['2'] = '48';
position4['3'] = '81';
position4['4'] = '65';
position4['5'] = '80';
position4['6'] = '60';
position4['7'] = '77';
mainbanner['position4'] = position4;
roll_count['position4'] = 0;
var position5= new Array();
position5['0'] = '78';
position5['1'] = '57';
position5['2'] = '40';
position5['3'] = '41';
position5['4'] = '59';
position5['5'] = '52';
mainbanner['position5'] = position5;
roll_count['position5'] = 0;
var position6= new Array();
position6['0'] = '56';
position6['1'] = '58';
position6['2'] = '72';
position6['3'] = '82';
position6['4'] = '70';
mainbanner['position6'] = position6;
roll_count['position6'] = 0;
var current_id = '0';

function cycleAds(position){
        
	if (mainbanner[position]){
	    if (++roll_count[position] >= mainbanner[position].length){
	        roll_count[position] = 0;
	    }
	    
	    var ajax = new SimpleAjax();    
	    query_string = "position="+position+"&id="+ mainbanner[position][roll_count[position]] +"&current_id=" + current_id; 
        current_id = mainbanner[position][roll_count[position]];
       	   	ajax.doPost("/index.php/ps_pagename/get_banner", query_string, newBanner);
	   	     
    }
}


function newBanner(banner_details){


	position = banner_details.responseXML.firstChild.getAttribute("position");
 


        if(banner_details.responseXML.firstChild.text){

             document.getElementById(position).innerHTML = banner_details.responseXML.firstChild.text;

        }else if(banner_details.responseXML.firstChild.textContent){

	    document.getElementById(position).innerHTML = banner_details.responseXML.firstChild.textContent;

	}else{



            string1 = "<![CDATA[";
            string2 = "]]>";
            start_index = banner_details.responseText.indexOf( string1, 0 ) + 9;
             end_index = banner_details.responseText.indexOf( string2, 0 ) ;

             document.getElementById(position).innerHTML = banner_details.responseText.substring(start_index,end_index);
      }





setTimeout("cycleAds('" + position + "')", 30000);
	
}