// JavaScript Document

// Banner Ad Rotation

links = new Array;
description = new Array;
onclick = new Array;
var i = 1;
numbanners = 3;

banner1 = new Image();
                     banner1.src = 'http://gwired.gwu.edu/merlin/templates/sac_events/images/events_headerpic2.jpg';
                     links[1] = '#';
                     onclick[1] = "";
                     description[1] = 'Student Event';

banner2 = new Image();
                     banner2.src = 'http://gwired.gwu.edu/merlin/templates/sac_events/images/events_headerpic1.jpg';   
                     links[2] = '#';
                     onclick[2] = "";
                     description[2] = 'Mount Vernon Event';

banner3 = new Image();
                     banner3.src = 'http://gwired.gwu.edu/merlin/templates/sac_events/images/events_headerpic3.jpg';   
                     links[3] = '#';
                     onclick[3] = "";
                     description[3] = 'Mount Vernon Event';



function startTime(){

        var time= new Date();
        hours= time.getHours();
        mins= time.getMinutes();
        secs= time.getSeconds();
        closeTime=hours*3600+mins*60+secs;
        closeTime+=6;	// How many seconds til the next rotation
        Timer();

}

function Timer(){
        var time= new Date();
        hours= time.getHours();
        mins= time.getMinutes();
        secs= time.getSeconds();
        curTime=hours*3600+mins*60+secs
        if (curTime>=closeTime){
		if (i < numbanners){	// This number is the amount of banners that you have
			i++;
			document.banner.src = eval("banner" + i + ".src");
		}
		else{
			i = 1;
			document.banner.src = eval("banner" + i + ".src");
		}
		startTime();
	}
        else{
                window.setTimeout("Timer()",1000)}

}

function clickLink() {
	if (onclick[i]) {
		newWindow = eval("window.open("+onclick[i]+")")
	} else {
		top.location = links[i]
	}
}

function descript(){
	window.status = description[i]
}